feat: allow dereferencing LocalResource to an AsyncDerived (see #4063)

* fix: suppress false-positive warning when adding children to a `<For/>` that is not currently mounted (closes #3385)

* remove track_caller

.github/ISSUE_TEMPLATE/bug_report.md

@@ -33,10 +33,11 @@ Steps to reproduce the behavior:
 If applicable, add screenshots to help explain your problem.
 
 **Next Steps**
-[ ] I will make a PR
-[ ] I would like to make a PR, but need help getting started
-[ ] I want someone else to take the time to fix this
-[ ] This is a low priority for me and is just shared for your information
+
+- [ ] I will make a PR
+- [ ] I would like to make a PR, but need help getting started
+- [ ] I want someone else to take the time to fix this
+- [ ] This is a low priority for me and is just shared for your information
 
 **Additional context**
 Add any other context about the problem here.

.github/workflows/autofix.yml

@@ -21,33 +21,19 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with: {toolchain: nightly, components: "rustfmt, clippy", target: "wasm32-unknown-unknown", rustflags: ""}
+        with: {toolchain: "nightly-2025-04-16", components: "rustfmt, clippy", target: "wasm32-unknown-unknown", rustflags: ""}
       - name: Install Glib
         run: |
           sudo apt-get update
           sudo apt-get install -y libglib2.0-dev
+      - name: Install cargo-all-features
+        run: cargo install --git https://github.com/sabify/cargo-all-features --branch arbitrary-command-support
       - name: Install jq
         run: sudo apt-get install jq
-      - run: |
-          echo "Formatting the workspace"
-          cargo fmt --all
-
-          echo "Running Clippy against each member's features (default features included)"
-          for member in $(cargo metadata --no-deps --format-version 1 | jq -r '.packages[] | .name'); do
-              echo "Working on member $member":
-              echo -e "\tdefault-features/no-features:"
-              # this will also run on members with no features or default features
-              cargo clippy --allow-dirty --fix --lib --package "$member"
-
-              features=$(cargo metadata --no-deps --format-version 1 | jq -r ".packages[] | select(.name == \"$member\") | .features | keys[]")
-              for feature in $features; do
-                  if [ "$feature" = "default" ]; then
-                    continue
-                  fi
-                  echo -e "\tfeature $feature"
-                  cargo clippy --allow-dirty --fix --lib --package "$member" --features "$feature"
-              done
-          done
+      - name: Format the workspace
+        run: cargo fmt --all
+      - name: Clippy the workspace
+        run: cargo all-features clippy --allow-dirty --fix --lib --no-deps
       - uses: autofix-ci/action@v1.3.1
         if: ${{ always() }}
         with:

.github/workflows/run-cargo-make-task.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        toolchain: [stable, nightly-2025-03-05]
+        toolchain: [stable, nightly-2025-04-16]
         erased_mode: [true, false]
     steps:
       - name: Free Disk Space
@@ -160,6 +160,12 @@ jobs:
         run: |
           cd '${{ inputs.directory }}'
           cargo make --no-workspace --profile=github-actions ci
+      # Check if the counter_isomorphic can be built with leptos_debuginfo cfg flag in release mode
+      - name: ${{ inputs.cargo_make_task }} with --cfg=leptos_debuginfo
+        if: contains(inputs.directory, 'counter_isomorphic')
+        run: |
+          cd '${{ inputs.directory }}'
+          RUSTFLAGS="$RUSTFLAGS --cfg leptos_debuginfo" cargo leptos build --release
       - name: Clean up ${{ inputs.directory }}
         if: always()
         run: |

Cargo.toml

@@ -40,44 +40,81 @@ members = [
 exclude = ["benchmarks", "examples", "projects"]
 
 [workspace.package]
-version = "0.8.0-rc3"
+version = "0.8.2"
 edition = "2021"
 rust-version = "1.76"
 
 [workspace.dependencies]
-convert_case = "0.8"
+# members
 throw_error = { path = "./any_error/", version = "0.3.0" }
-any_spawner = { path = "./any_spawner/", version = "0.3.0-rc3" }
+any_spawner = { path = "./any_spawner/", version = "0.3.0" }
 const_str_slice_concat = { path = "./const_str_slice_concat", version = "0.1" }
 either_of = { path = "./either_of/", version = "0.1.5" }
 hydration_context = { path = "./hydration_context", version = "0.3.0" }
-itertools = "0.14.0"
-leptos = { path = "./leptos", version = "0.8.0-rc3" }
-leptos_config = { path = "./leptos_config", version = "0.8.0-rc3" }
-leptos_dom = { path = "./leptos_dom", version = "0.8.0-rc3" }
-leptos_hot_reload = { path = "./leptos_hot_reload", version = "0.8.0-rc3" }
-leptos_integration_utils = { path = "./integrations/utils", version = "0.8.0-rc3" }
-leptos_macro = { path = "./leptos_macro", version = "0.8.0-rc3" }
-leptos_router = { path = "./router", version = "0.8.0-rc3" }
-leptos_router_macro = { path = "./router_macro", version = "0.8.0-rc3" }
-leptos_server = { path = "./leptos_server", version = "0.8.0-rc3" }
-leptos_meta = { path = "./meta", version = "0.8.0-rc3" }
+leptos = { path = "./leptos", version = "0.8.2" }
+leptos_config = { path = "./leptos_config", version = "0.8.2" }
+leptos_dom = { path = "./leptos_dom", version = "0.8.2" }
+leptos_hot_reload = { path = "./leptos_hot_reload", version = "0.8.2" }
+leptos_integration_utils = { path = "./integrations/utils", version = "0.8.2" }
+leptos_macro = { path = "./leptos_macro", version = "0.8.2" }
+leptos_router = { path = "./router", version = "0.8.2" }
+leptos_router_macro = { path = "./router_macro", version = "0.8.2" }
+leptos_server = { path = "./leptos_server", version = "0.8.2" }
+leptos_meta = { path = "./meta", version = "0.8.2" }
 next_tuple = { path = "./next_tuple", version = "0.1.0" }
 oco_ref = { path = "./oco", version = "0.2.0" }
 or_poisoned = { path = "./or_poisoned", version = "0.1.0" }
-reactive_graph = { path = "./reactive_graph", version = "0.2.0-rc3" }
-reactive_stores = { path = "./reactive_stores", version = "0.2.0-rc3" }
-reactive_stores_macro = { path = "./reactive_stores_macro", version = "0.2.0-rc3" }
-rustversion = "1"
-serde_json = "1.0.0"
-server_fn = { path = "./server_fn", version = "0.8.0-rc3" }
-server_fn_macro = { path = "./server_fn_macro", version = "0.8.0-rc3" }
-server_fn_macro_default = { path = "./server_fn/server_fn_macro_default", version = "0.8.0-rc3" }
-tachys = { path = "./tachys", version = "0.2.0-rc3" }
-trybuild = "1"
-typed-builder = "0.21.0"
-thiserror = "2.0.12"
-wasm-bindgen = "0.2.100"
+reactive_graph = { path = "./reactive_graph", version = "0.2.0" }
+reactive_stores = { path = "./reactive_stores", version = "0.2.0" }
+reactive_stores_macro = { path = "./reactive_stores_macro", version = "0.2.0" }
+server_fn = { path = "./server_fn", version = "0.8.2" }
+server_fn_macro = { path = "./server_fn_macro", version = "0.8.2" }
+server_fn_macro_default = { path = "./server_fn/server_fn_macro_default", version = "0.8.2" }
+tachys = { path = "./tachys", version = "0.2.0" }
+
+# common deps
+itertools = { default-features = false, version = "0.14.0" }
+convert_case = { default-features = false, version = "0.8.0" }
+serde_json = { default-features = false, version = "1.0" }
+trybuild = { default-features = false, version = "1.0" }
+typed-builder = { default-features = false, version = "0.21.0" }
+thiserror = { default-features = false, version = "2.0" }
+wasm-bindgen = { default-features = false, version = "0.2.100" }
+indexmap = { default-features = false, version = "2.9" }
+rstml = { default-features = false, version = "0.12.1" }
+rustc_version = { default-features = false, version = "0.4.1" }
+guardian = { default-features = false, version = "1.3" }
+rustc-hash = { default-features = false, version = "2.1" }
+once_cell = { default-features = false, version = "1.21" }
+actix-web = { default-features = false, version = "4.10" }
+tracing = { default-features = false, version = "0.1.41" }
+slotmap = { default-features = false, version = "1.0" }
+futures = { default-features = false, version = "0.3.31" }
+dashmap = { default-features = false, version = "6.1" }
+pin-project-lite = { default-features = false, version = "0.2.16" }
+send_wrapper = { default-features = false, version = "0.6.0" }
+tokio-test = { default-features = false, version = "0.4.4" }
+html-escape = { default-features = false, version = "0.2.13" }
+proc-macro-error2 = { default-features = false, version = "2.0" }
+const_format = { default-features = false, version = "0.2.34" }
+gloo-net = { default-features = false, version = "0.6.0" }
+url = { default-features = false, version = "2.5" }
+tokio = { default-features = false, version = "1.44" }
+base64 = { default-features = false, version = "0.22.1" }
+cfg-if = { default-features = false, version = "1.0" }
+wasm-bindgen-futures = { default-features = false, version = "0.4.50" }
+tower = { default-features = false, version = "0.5.2" }
+proc-macro2 = { default-features = false, version = "1.0" }
+serde = { default-features = false, version = "1.0" }
+parking_lot = { default-features = false, version = "0.12.3" }
+axum = { default-features = false, version = "0.8.3" }
+serde_qs = { default-features = false, version = "0.15.0" }
+syn = { default-features = false, version = "2.0" }
+xxhash-rust = { default-features = false, version = "0.8.15" }
+paste = { default-features = false, version = "1.0" }
+quote = { default-features = false, version = "1.0" }
+web-sys = { default-features = false, version = "0.3.77" }
+js-sys = { default-features = false, version = "0.3.77" }
 
 [profile.release]
 codegen-units = 1

any_error/Cargo.toml

@@ -10,4 +10,4 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-pin-project-lite = "0.2.15"
+pin-project-lite = { workspace = true, default-features = true }

any_spawner/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "any_spawner"
-version = "0.3.0-rc3"
+version = "0.3.0"
 authors = ["Greg Johnston"]
 license = "MIT"
 readme = "../README.md"
@@ -10,22 +10,22 @@ edition.workspace = true
 
 [dependencies]
 async-executor = { version = "1.13.1", optional = true }
-futures = "0.3.31"
-glib = { version = "0.20.6", optional = true }
-thiserror = { workspace = true }
-tokio = { version = "1.41", optional = true, default-features = false, features = [
+futures = { workspace = true, default-features = true }
+glib = { version = "0.20.9", optional = true }
+thiserror = { workspace = true , default-features = true }
+tokio = { optional = true, default-features = false, features = [
   "rt",
-] }
-tracing = { version = "0.1.41", optional = true }
-wasm-bindgen-futures = { version = "0.4.50", optional = true }
+] , workspace = true }
+tracing = { optional = true , workspace = true, default-features = true }
+wasm-bindgen-futures = { optional = true , workspace = true, default-features = true }
 
 [dev-dependencies]
 futures-lite = { version = "2.6.0", default-features = false }
-tokio = { version = "1.41", default-features = false, features = [
+tokio = { default-features = false, features = [
   "rt",
   "macros",
   "time",
-] }
+] , workspace = true }
 wasm-bindgen-test = { version = "0.3.50" }
 serial_test = "3.2.0"
 

const_str_slice_concat/src/lib.rs

@@ -31,7 +31,7 @@ pub const fn const_concat(
         let mut i = 0;
 
         // have it iterate over bytes manually, because, again,
-        // no mutable refernces in const fns
+        // no mutable references in const fns
         while i < x.len() {
             buffer[position] = x[i];
             position += 1;
@@ -59,7 +59,7 @@ pub const fn const_concat_with_prefix(
         let mut i = 0;
 
         // have it iterate over bytes manually, because, again,
-        // no mutable refernces in const fns
+        // no mutable references in const fns
         while i < x.len() {
             buffer[position] = x[i];
             position += 1;
@@ -116,7 +116,7 @@ pub const fn const_concat_with_separator(
         let mut i = 0;
 
         // have it iterate over bytes manually, because, again,
-        // no mutable refernces in const fns
+        // no mutable references in const fns
         while i < x.len() {
             buffer[position] = x[i];
             position += 1;

either_of/Cargo.toml

@@ -10,8 +10,8 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-pin-project-lite = "0.2.16"
-paste = "1.0.15"
+pin-project-lite = { workspace = true, default-features = true }
+paste = { workspace = true, default-features = true }
 
 [features]
 default = ["no_std"]

examples/fetch/src/main.rs

@@ -7,7 +7,7 @@ pub fn main() {
 
     fmt()
         .with_writer(
-            // To avoide trace events in the browser from showing their
+            // To avoid trace events in the browser from showing their
             // JS backtrace, which is very annoying, in my opinion
             MakeConsoleWriter::default()
                 .map_trace_level_to(tracing::Level::DEBUG),

examples/hackernews/src/routes/story.rs

@@ -6,7 +6,7 @@ use leptos_router::{components::A, hooks::use_params_map};
 #[component]
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
-    let story = Resource::new(
+    let story = Resource::new_blocking(
         move || params.read().get("id").unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {

examples/hackernews_axum/src/routes/story.rs

@@ -6,7 +6,7 @@ use leptos_router::{components::A, hooks::use_params_map};
 #[component]
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
-    let story = Resource::new(
+    let story = Resource::new_blocking(
         move || params.read().get("id").unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {

examples/hackernews_islands_axum/src/fallback.rs

@@ -26,12 +26,17 @@ pub async fn file_and_error_handler(
         .map(|h| h.to_str().unwrap_or("none"))
         .unwrap_or("none")
         .to_string();
-    let res = get_static_file(uri.clone(), accept_encoding).await.unwrap();
+    let static_result = get_static_file(uri.clone(), accept_encoding).await;
 
-    if res.status() == StatusCode::OK {
-        res.into_response()
-    } else {
-        (StatusCode::NOT_FOUND, "Not found.").into_response()
+    match static_result {
+        Ok(res) => {
+            if res.status() == StatusCode::OK {
+                res.into_response()
+            } else {
+                (StatusCode::NOT_FOUND, "Not found.").into_response()
+            }
+        }
+        Err(e) => e.into_response(),
     }
 }
 

examples/hackernews_islands_axum/src/routes/stories.rs

@@ -47,7 +47,7 @@ pub fn Stories() -> impl IntoView {
     let stories = Resource::new(
         move || (page(), story_type()),
         move |(page, story_type)| async move {
-            fetch_stories(category(&story_type), page).await.ok()
+            fetch_stories(story_type, page).await.ok()
         },
     );
     let (pending, set_pending) = signal(false);

examples/hackernews_islands_axum/src/routes/story.rs

@@ -13,7 +13,7 @@ pub async fn fetch_story(
 #[component]
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
-    let story = Resource::new(
+    let story = Resource::new_blocking(
         move || params.read().get("id").unwrap_or_default(),
         move |id| async move {
             if id.is_empty() {

examples/hackernews_js_fetch/src/routes/story.rs

@@ -7,7 +7,7 @@ use send_wrapper::SendWrapper;
 #[component]
 pub fn Story() -> impl IntoView {
     let params = use_params_map();
-    let story = Resource::new(
+    let story = Resource::new_blocking(
         move || params.read().get("id").unwrap_or_default(),
         move |id| {
             SendWrapper::new(async move {

examples/islands_router/Cargo.toml

@@ -10,7 +10,11 @@ crate-type = ["cdylib", "rlib"]
 console_error_panic_hook = "0.1.7"
 futures = "0.3.30"
 http = "1.1"
-leptos = { path = "../../leptos", features = ["tracing", "islands"] }
+leptos = { path = "../../leptos", features = [
+  "tracing",
+  "islands",
+  "islands-router",
+] }
 leptos_router = { path = "../../router" }
 server_fn = { path = "../../server_fn", features = ["serde-lite"] }
 leptos_axum = { path = "../../integrations/axum", features = [

examples/stores/README.md

@@ -1,6 +1,6 @@
-# Leptos Counter Example
+# Stores Example
 
-This example creates a simple counter in a client side rendered app with Rust and WASM!
+This example shows how to use reactive stores, by building a client-side rendered TODO application.
 
 ## Getting Started
 

examples/suspense_tests/src/instrumented.rs

@@ -561,7 +561,7 @@ fn ShowCounters() -> impl IntoView {
     //
     // However, upon `Reset Counters`, the mode from which the reset
     // was issued will result in the rendering be reflected as such, so
-    // if the intial state was SSR, resetting under CSR will result in
+    // if the initial state was SSR, resetting under CSR will result in
     // the CSR counters be rendered after.  However for the intents and
     // purpose for the testing only the CSR is cared for.
     //

examples/websocket/e2e/tests/fixtures/action.rs

@@ -10,19 +10,9 @@ pub async fn goto_path(client: &Client, path: &str) -> Result<()> {
     Ok(())
 }
 
-pub async fn add_text(client: &Client, text: &str) -> Result<String> {
-    fill_input(client, text).await?;
-    get_label(client).await
-}
-
 pub async fn fill_input(client: &Client, text: &str) -> Result<()> {
     let textbox = find::input(client).await;
     textbox.send_keys(text).await?;
 
     Ok(())
 }
-
-pub async fn get_label(client: &Client) -> Result<String> {
-    let label = find::label(client).await;
-    Ok(label.text().await?)
-}

examples/websocket/e2e/tests/fixtures/find.rs

@@ -9,13 +9,3 @@ pub async fn input(client: &Client) -> Element {
 
     textbox
 }
-
-pub async fn label(client: &Client) -> Element {
-    let label = client
-        .wait()
-        .for_element(Locator::Css("p"))
-        .await
-        .expect("");
-
-    label
-}

examples/websocket/e2e/tests/fixtures/world/action_steps.rs

@@ -14,7 +14,7 @@ async fn i_open_the_app(world: &mut AppWorld) -> Result<()> {
 #[given(regex = "^I add a text as (.*)$")]
 async fn i_add_a_text(world: &mut AppWorld, text: String) -> Result<()> {
     let client = &world.client;
-    action::add_text(client, text.as_str()).await?;
+    action::fill_input(client, text.as_str()).await?;
 
     Ok(())
 }

examples/websocket/e2e/tests/fixtures/world/check_steps.rs

@@ -20,7 +20,7 @@ async fn i_see_the_label_of_the_input_is(
     world: &mut AppWorld,
     text: String,
 ) -> Result<()> {
-    sleep(Duration::from_millis(50)).await;
+    sleep(Duration::from_millis(500)).await;
     let client = &world.client;
     check::text_on_element(client, "p", &text).await?;
 

hydration_context/Cargo.toml

@@ -12,12 +12,12 @@ edition.workspace = true
 [dependencies]
 throw_error = { workspace = true }
 or_poisoned = { workspace = true }
-futures = "0.3.31"
-serde = { version = "1.0", features = ["derive"] }
-wasm-bindgen = { workspace = true, optional = true }
-js-sys = { version = "0.3.74", optional = true }
-once_cell = "1.20"
-pin-project-lite = "0.2.15"
+futures = { workspace = true, default-features = true }
+serde = { features = ["derive"] , workspace = true, default-features = true }
+wasm-bindgen = { workspace = true, optional = true , default-features = true }
+js-sys = { optional = true , workspace = true, default-features = true }
+once_cell = { workspace = true, default-features = true }
+pin-project-lite = { workspace = true, default-features = true }
 
 [features]
 browser = ["dep:wasm-bindgen", "dep:js-sys"]

integrations/actix/Cargo.toml

@@ -9,10 +9,10 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-actix-http = "3.9"
+actix-http = "3.10"
 actix-files = "0.6"
-actix-web = "4.9"
-futures = "0.3.31"
+actix-web = { workspace = true, default-features = true }
+futures = { workspace = true, default-features = true }
 any_spawner = { workspace = true, features = ["tokio"] }
 hydration_context = { workspace = true }
 leptos = { workspace = true, features = ["nonce", "ssr"] }
@@ -22,13 +22,13 @@ leptos_meta = { workspace = true, features = ["nonce"] }
 leptos_router = { workspace = true, features = ["ssr"] }
 server_fn = { workspace = true, features = ["actix"] }
 tachys = { workspace = true }
-serde_json = { workspace = true }
-parking_lot = "0.12.3"
-tracing = { version = "0.1", optional = true }
-tokio = { version = "1.43", features = ["rt", "fs"] }
-send_wrapper = "0.6.0"
-dashmap = "6"
-once_cell = "1"
+serde_json = { workspace = true , default-features = true }
+parking_lot = { workspace = true, default-features = true }
+tracing = { optional = true , workspace = true, default-features = true }
+tokio = { features = ["rt", "fs"] , workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
+dashmap = { workspace = true, default-features = true }
+once_cell = { workspace = true, default-features = true }
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--generate-link-to-definition"]

integrations/axum/Cargo.toml

@@ -4,18 +4,18 @@ authors = ["Greg Johnston"]
 license = "MIT"
 repository = "https://github.com/leptos-rs/leptos"
 description = "Axum integrations for the Leptos web framework."
-version = "0.8.0-rc3"
+version = "0.8.2"
 rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
 any_spawner = { workspace = true, features = ["tokio"] }
 hydration_context = { workspace = true }
-axum = { version = "0.8.1", default-features = false, features = [
+axum = { default-features = false, features = [
   "matched-path",
-] }
-dashmap = "6"
-futures = "0.3.31"
+] , workspace = true }
+dashmap = { workspace = true, default-features = true }
+futures = { workspace = true, default-features = true }
 leptos = { workspace = true, features = ["nonce", "ssr"] }
 server_fn = { workspace = true, features = ["axum-no-default"] }
 leptos_macro = { workspace = true, features = ["axum"] }
@@ -23,16 +23,16 @@ leptos_meta = { workspace = true, features = ["ssr", "nonce"] }
 leptos_router = { workspace = true, features = ["ssr"] }
 leptos_integration_utils = { workspace = true }
 tachys = { workspace = true }
-once_cell = "1"
-parking_lot = "0.12.3"
-tokio = { version = "1.43", default-features = false }
-tower = { version = "0.5.1", features = ["util"] }
+once_cell = { workspace = true, default-features = true }
+parking_lot = { workspace = true, default-features = true }
+tokio = { default-features = false , workspace = true }
+tower = { features = ["util"] , workspace = true, default-features = true }
 tower-http = "0.6.2"
-tracing = { version = "0.1.41", optional = true }
+tracing = { optional = true , workspace = true, default-features = true }
 
 [dev-dependencies]
-axum = "0.8.1"
-tokio = { version = "1.43", features = ["net", "rt-multi-thread"] }
+axum = { workspace = true, default-features = true }
+tokio = { features = ["net", "rt-multi-thread"] , workspace = true, default-features = true }
 
 [features]
 wasm = []

integrations/axum/src/lib.rs

@@ -590,7 +590,7 @@ where
 /// Returns an Axum [Handler](axum::handler::Handler) that listens for a `GET` request and tries
 /// to route it using [leptos_router], serving an HTML stream of your application.
 ///
-/// This version allows us to pass Axum State/Extension/Extractor or other infro from Axum or network
+/// This version allows us to pass Axum State/Extension/Extractor or other info from Axum or network
 /// layers above Leptos itself. To use it, you'll need to write your own handler function that provides
 /// the data to leptos in a closure. An example is below
 /// ```
@@ -796,7 +796,7 @@ where
 /// This stream will pause at each `<Suspense/>` node and wait for it to resolve before
 /// sending down its HTML. The app will become interactive once it has fully loaded.
 ///
-/// This version allows us to pass Axum State/Extension/Extractor or other infro from Axum or network
+/// This version allows us to pass Axum State/Extension/Extractor or other info from Axum or network
 /// layers above Leptos itself. To use it, you'll need to write your own handler function that provides
 /// the data to leptos in a closure. An example is below
 /// ```
@@ -879,7 +879,8 @@ where
     }
 }
 
-fn handle_response_inner<IV>(
+/// Can be used in conjunction with a custom [file_and_error_handler_with_context] to process an Axum [Request](axum::extract::Request) into an Axum [Response](axum::response::Response)
+pub fn handle_response_inner<IV>(
     additional_context: impl Fn() + 'static + Clone + Send,
     app_fn: impl FnOnce() -> IV + Send + 'static,
     req: Request<Body>,
@@ -1022,7 +1023,7 @@ where
 /// to route it using [leptos_router], asynchronously rendering an HTML page after all
 /// `async` resources have loaded.
 ///
-/// This version allows us to pass Axum State/Extension/Extractor or other infro from Axum or network
+/// This version allows us to pass Axum State/Extension/Extractor or other info from Axum or network
 /// layers above Leptos itself. To use it, you'll need to write your own handler function that provides
 /// the data to leptos in a closure. An example is below
 /// ```
@@ -1089,7 +1090,7 @@ where
 /// to route it using [leptos_router], asynchronously rendering an HTML page after all
 /// `async` resources have loaded.
 ///
-/// This version allows us to pass Axum State/Extension/Extractor or other infro from Axum or network
+/// This version allows us to pass Axum State/Extension/Extractor or other info from Axum or network
 /// layers above Leptos itself. To use it, you'll need to write your own handler function that provides
 /// the data to leptos in a closure. An example is below
 /// ```

integrations/utils/Cargo.toml

@@ -9,7 +9,7 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-futures = "0.3.31"
+futures = { workspace = true, default-features = true }
 hydration_context = { workspace = true }
 leptos = { workspace = true, features = ["nonce"] }
 leptos_meta = { workspace = true, features = ["ssr"] }

leptos/Cargo.toml

@@ -15,8 +15,8 @@ any_spawner = { workspace = true, features = [
   "wasm-bindgen",
   "futures-executor",
 ] }
-base64 = { version = "0.22.1", optional = true }
-cfg-if = "1.0"
+base64 = { optional = true, workspace = true, default-features = true }
+cfg-if = { workspace = true, default-features = true }
 hydration_context = { workspace = true }
 either_of = { workspace = true }
 leptos_dom = { workspace = true }
@@ -27,35 +27,35 @@ leptos_config = { workspace = true }
 leptos-spin-macro = { version = "0.2.0", optional = true }
 oco_ref = { workspace = true }
 or_poisoned = { workspace = true }
-paste = "1.0"
-rand = { version = "0.8.5", optional = true }
-# NOTE: While not used directly, `getrandom`'s `js` feature is needed when `rand` is used on WASM to
+paste = { workspace = true, default-features = true }
+rand = { version = "0.9.1", optional = true }
+# NOTE: While not used directly, `getrandom`'s `wasm_js` feature is needed when `rand` is used on WASM to
 #       avoid a compilation error
-getrandom = { version = "0.2", optional = true }
+getrandom = { version = "0.3.3", optional = true }
 reactive_graph = { workspace = true, features = ["serde"] }
-rustc-hash = "2.0"
+rustc-hash = { workspace = true, default-features = true }
 tachys = { workspace = true, features = [
   "reactive_graph",
   "reactive_stores",
   "oco",
 ] }
-thiserror = { workspace = true }
-tracing = { version = "0.1.41", optional = true }
-typed-builder = { workspace = true }
+thiserror = { workspace = true, default-features = true }
+tracing = { optional = true, workspace = true, default-features = true }
+typed-builder = { workspace = true, default-features = true }
 typed-builder-macro = "0.21.0"
-serde = "1.0"
-serde_json = { version = "1.0", optional = true }
+serde = { workspace = true, default-features = true }
+serde_json = { optional = true, workspace = true, default-features = true }
 server_fn = { workspace = true, features = ["form-redirects", "browser"] }
-web-sys = { version = "0.3.72", features = [
+web-sys = { features = [
   "ShadowRoot",
   "ShadowRootInit",
   "ShadowRootMode",
-] }
-wasm-bindgen = { workspace = true }
-serde_qs = "0.14.0"
-slotmap = "1.0"
-futures = "0.3.31"
-send_wrapper = "0.6.0"
+], workspace = true, default-features = true }
+wasm-bindgen = { workspace = true, default-features = true }
+serde_qs = { workspace = true, default-features = true }
+slotmap = { workspace = true, default-features = true }
+futures = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
 
 [features]
 hydration = [
@@ -64,13 +64,13 @@ hydration = [
   "hydration_context/browser",
   "leptos_dom/hydration",
 ]
-csr = ["leptos_macro/csr", "reactive_graph/effects", "getrandom?/js"]
+csr = ["leptos_macro/csr", "reactive_graph/effects", "getrandom?/wasm_js"]
 hydrate = [
   "leptos_macro/hydrate",
   "hydration",
   "tachys/hydrate",
   "reactive_graph/effects",
-  "getrandom?/js",
+  "getrandom?/wasm_js",
 ]
 default-tls = ["server_fn/default-tls"]
 rustls = ["server_fn/rustls"]
@@ -99,9 +99,10 @@ trace-component-props = [
   "leptos_dom/trace-component-props",
 ]
 delegation = ["tachys/delegation"]
+islands-router = ["tachys/mark_branches"]
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 # Having an erasure feature rather than normal --cfg erase_components for the proc macro crate is a workaround for this rust issue:
 # https://github.com/rust-lang/cargo/issues/4423

leptos/build.rs

@@ -1,8 +1,15 @@
 use rustc_version::{version_meta, Channel};
 
 fn main() {
+    let target = std::env::var("TARGET").unwrap_or_default();
+
     // Set cfg flags depending on release channel
     if matches!(version_meta().unwrap().channel, Channel::Nightly) {
         println!("cargo:rustc-cfg=rustc_nightly");
     }
+    // Set cfg flag for getrandom wasm_js
+    if target == "wasm32-unknown-unknown" {
+        // Set a custom cfg flag for wasm builds
+        println!("cargo:rustc-cfg=getrandom_backend=\"wasm_js\"");
+    }
 }

leptos/src/children.rs

@@ -47,7 +47,7 @@ type BoxedChildrenFn = Box<dyn Fn() -> AnyView + Send>;
 ///
 /// Different component types take different types for their `children` prop, some of which cannot
 /// be directly constructed. Using `ToChildren` allows the component user to pass children without
-/// explicity constructing the correct type.
+/// explicitly constructing the correct type.
 ///
 /// ## Examples
 ///

leptos/src/form.rs

@@ -255,7 +255,7 @@ where
     ) -> Result<Self, serde_qs::Error>;
 }
 
-/// Errors that can arise when coverting from an HTML event or form into a Rust data type.
+/// Errors that can arise when converting from an HTML event or form into a Rust data type.
 #[derive(Error, Debug)]
 pub enum FromFormDataError {
     /// Could not find a `<form>` connected to the event.

leptos/src/hydration/island_script.js

@@ -1,5 +1,5 @@
 ((root, pkg_path, output_name, wasm_output_name) => {
-	let MOST_RECENT_CHILDREN_CB;
+	let MOST_RECENT_CHILDREN_CB = [];
 
 	function idle(c) {
 		if ("requestIdleCallback" in window) {
@@ -22,12 +22,18 @@
 						traverse(child, children);
 					}
 				} else {
-					if(tag === 'leptos-children') {
-						MOST_RECENT_CHILDREN_CB = node.$$on_hydrate;
+					if (tag === 'leptos-children') {
+						MOST_RECENT_CHILDREN_CB.push(node.$$on_hydrate);
+						for(const child of node.children) {
+							traverse(child);
+						};
+						// un-set the "most recent children"
+						MOST_RECENT_CHILDREN_CB.pop();
+					} else {
+						for(const child of node.children) {
+							traverse(child);
+						};
 					}
-					for(const child of node.children) {
-						traverse(child);
-					};
 				}
 			}
 		}
@@ -37,8 +43,9 @@
 	function hydrateIsland(el, id, mod) {
 		const islandFn = mod[id];
 		if (islandFn) {
-			if (MOST_RECENT_CHILDREN_CB) {
-				MOST_RECENT_CHILDREN_CB();
+			const children_cb = MOST_RECENT_CHILDREN_CB[MOST_RECENT_CHILDREN_CB.length-1];
+			if (children_cb) {
+				children_cb();
 			}
 			islandFn(el);
 		} else {
@@ -48,7 +55,7 @@
 	idle(() => {
 		import(`${root}/${pkg_path}/${output_name}.js`)
 			.then(mod => {
-				mod.default(`${root}/${pkg_path}/${wasm_output_name}.wasm`).then(() => {
+				mod.default({module_or_path: `${root}/${pkg_path}/${wasm_output_name}.wasm`}).then(() => {
 					mod.hydrate();
 					hydrateIslands(document.body, mod);
 				});

leptos/src/hydration/islands_routing.js

@@ -17,6 +17,10 @@ window.addEventListener("popstate", async (ev) => {
 });
 
 window.addEventListener("submit", async (ev) => {
+	if (ev.defaultPrevented) {
+		return;
+	}
+		
 	const req = submitToReq(ev);
 	if(!req) {
 		return;
@@ -194,6 +198,15 @@ function diffRange(oldDocument, oldRoot, newDocument, newRoot, oldEnd, newEnd) {
 		else if (oldNode.nodeType === Node.TEXT_NODE) {
 			oldNode.textContent = newNode.textContent;
 		}
+		// islands should not be diffed on the client, because we do not want to overwrite client-side state 
+		// but their children should be diffed still, because they could contain new server content
+		else if (oldNode.nodeType === Node.ELEMENT_NODE && oldNode.tagName === "LEPTOS-ISLAND") {
+			// TODO: diff the leptos-children 
+
+			// skip over leptos-island otherwise
+			oldDocWalker.nextSibling();
+			newDocWalker.nextSibling();
+		}
 		// if it's an element, replace if it's a different tag, or update attributes
 		else if (oldNode.nodeType === Node.ELEMENT_NODE) {
 			diffElement(oldNode, newNode);

leptos/src/hydration/mod.rs

@@ -83,6 +83,10 @@ pub fn HydrationScripts(
                     }
                 }
             }
+        } else {
+            leptos::logging::error!(
+                "File hashing is active but no hash file was found"
+            );
         }
     } else if std::option_env!("LEPTOS_OUTPUT_NAME").is_none() {
         wasm_file_name.push_str("_bg");
@@ -107,21 +111,19 @@ pub fn HydrationScripts(
         .unwrap_or_default();
 
     let root = root.unwrap_or_default();
-    use_context::<IslandsRouterNavigation>().is_none().then(|| {
-        view! {
-            <link rel="modulepreload" href=format!("{root}/{pkg_path}/{js_file_name}.js") nonce=nonce.clone()/>
-            <link
-                rel="preload"
-                href=format!("{root}/{pkg_path}/{wasm_file_name}.wasm")
-                r#as="fetch"
-                r#type="application/wasm"
-                crossorigin=nonce.clone().unwrap_or_default()
-            />
-            <script type="module" nonce=nonce>
-                {format!("{script}({root:?}, {pkg_path:?}, {js_file_name:?}, {wasm_file_name:?});{islands_router}")}
-            </script>
-        }
-    })
+    view! {
+        <link rel="modulepreload" href=format!("{root}/{pkg_path}/{js_file_name}.js") nonce=nonce.clone()/>
+        <link
+            rel="preload"
+            href=format!("{root}/{pkg_path}/{wasm_file_name}.wasm")
+            r#as="fetch"
+            r#type="application/wasm"
+            crossorigin=nonce.clone().unwrap_or_default()
+        />
+        <script type="module" nonce=nonce>
+            {format!("{script}({root:?}, {pkg_path:?}, {js_file_name:?}, {wasm_file_name:?});{islands_router}")}
+        </script>
+    }
 }
 
 /// If this is provided via context, it means that you are using the islands router and

leptos/src/hydration/reload_script.js

@@ -7,7 +7,7 @@ ws.onmessage = (ev) => {
 		let found = false;
 		document.querySelectorAll("link").forEach((link) => {
 			if (link.getAttribute('href').includes(msg.css)) {
-				let newHref = '/' + msg.css + '?version=' + new Date().getMilliseconds();
+				let newHref = '/' + msg.css + '?version=' + Date.now();
 				link.setAttribute('href', newHref);
 				found = true;
 			}

leptos/src/nonce.rs

@@ -4,7 +4,7 @@ use base64::{
     engine::{self, general_purpose},
     Engine,
 };
-use rand::{thread_rng, RngCore};
+use rand::{rng, RngCore};
 use std::{fmt::Display, ops::Deref, sync::Arc};
 use tachys::html::attribute::AttributeValue;
 
@@ -171,9 +171,9 @@ const NONCE_ENGINE: engine::GeneralPurpose =
 impl Nonce {
     /// Generates a new nonce from 16 bytes (128 bits) of random data.
     pub fn new() -> Self {
-        let mut thread_rng = thread_rng();
+        let mut rng = rng();
         let mut bytes = [0; 16];
-        thread_rng.fill_bytes(&mut bytes);
+        rng.fill_bytes(&mut bytes);
         Nonce(NONCE_ENGINE.encode(bytes).into())
     }
 }

leptos/src/portal.rs

@@ -8,7 +8,7 @@ use std::sync::Arc;
 ///
 /// Useful for inserting modals and tooltips outside of a cropping layout.
 /// If no mount point is given, the portal is inserted in `document.body`;
-/// it is wrapped in a `<div>` unless  `is_svg` is `true` in which case it's wrappend in a `<g>`.
+/// it is wrapped in a `<div>` unless  `is_svg` is `true` in which case it's wrapped in a `<g>`.
 /// Setting `use_shadow` to `true` places the element in a shadow root to isolate styles.
 #[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip_all))]
 #[component]
@@ -42,11 +42,15 @@ where
         let children = children.into_inner();
 
         Effect::new(move |_| {
-            let tag = if is_svg { "g" } else { "div" };
-
-            let container = document()
-                .create_element(tag)
-                .expect("element creation to work");
+            let container = if is_svg {
+                document()
+                    .create_element_ns(Some("http://www.w3.org/2000/svg"), "g")
+                    .expect("SVG element creation to work")
+            } else {
+                document()
+                    .create_element("div")
+                    .expect("HTML element creation to work")
+            };
 
             let render_root = if use_shadow {
                 container

leptos_config/Cargo.toml

@@ -10,18 +10,18 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-config = { version = "0.15.8", default-features = false, features = [
+config = { version = "0.15.11", default-features = false, features = [
   "toml",
   "convert-case",
 ] }
 regex = "1.11"
-serde = { version = "1.0", features = ["derive", "rc"] }
-thiserror = { workspace = true }
-typed-builder = { workspace = true }
+serde = { features = ["derive", "rc"] , workspace = true, default-features = true }
+thiserror = { workspace = true , default-features = true }
+typed-builder = { workspace = true , default-features = true }
 
 [dev-dependencies]
-tokio = { version = "1.43", features = ["rt", "macros"] }
-tempfile = "3.14"
+tokio = { features = ["rt", "macros"] , workspace = true, default-features = true }
+tempfile = "3.19"
 temp-env = { version = "0.3.6", features = ["async_closure"] }
 
 [package.metadata.docs.rs]

leptos_dom/Cargo.toml

@@ -12,19 +12,20 @@ edition.workspace = true
 tachys = { workspace = true }
 reactive_graph = { workspace = true }
 or_poisoned = { workspace = true }
-js-sys = "0.3.74"
-send_wrapper = "0.6.0"
-tracing = { version = "0.1.41", optional = true }
-wasm-bindgen = { workspace = true }
-serde_json = { version = "1.0", optional = true }
-serde = { version = "1.0", optional = true }
+js-sys = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
+tracing = { optional = true , workspace = true, default-features = true }
+wasm-bindgen = { workspace = true , default-features = true }
+serde_json = { optional = true , workspace = true, default-features = true }
+serde = { optional = true , workspace = true, default-features = true }
 
 [dev-dependencies]
 leptos = { path = "../leptos" }
 
 [dependencies.web-sys]
-version = "0.3.72"
 features = ["Location"]
+workspace = true
+default-features = true
 
 [features]
 default = []

leptos_hot_reload/Cargo.toml

@@ -11,18 +11,18 @@ edition.workspace = true
 
 [dependencies]
 anyhow = "1.0"
-serde = { version = "1.0", features = ["derive"] }
-syn = { version = "2.0", features = [
+serde = { features = ["derive"] , workspace = true, default-features = true }
+syn = { features = [
   "full",
   "parsing",
   "extra-traits",
   "visit",
   "printing",
-] }
-quote = "1.0"
-rstml = "0.12.0"
-proc-macro2 = { version = "1.0", features = ["span-locations", "nightly"] }
-parking_lot = "0.12.3"
+] , workspace = true, default-features = true }
+quote = { workspace = true, default-features = true }
+rstml = { workspace = true, default-features = true }
+proc-macro2 = { features = ["span-locations", "nightly"] , workspace = true, default-features = true }
+parking_lot = { workspace = true, default-features = true }
 walkdir = "2.5"
 camino = "1.1"
-indexmap = "2.6"
+indexmap = { workspace = true, default-features = true }

leptos_macro/Cargo.toml

@@ -14,38 +14,38 @@ proc-macro = true
 
 [dependencies]
 attribute-derive = { version = "0.10.3", features = ["syn-full"] }
-cfg-if = "1.0"
-html-escape = "0.2.13"
-itertools = { workspace = true }
-prettyplease = "0.2.25"
-proc-macro-error2 = { version = "2.0", default-features = false }
-proc-macro2 = "1.0"
-quote = "1.0"
-syn = { version = "2.0", features = ["full"] }
-rstml = "0.12.0"
+cfg-if = { workspace = true, default-features = true }
+html-escape = { workspace = true, default-features = true }
+itertools = { workspace = true , default-features = true }
+prettyplease = "0.2.32"
+proc-macro-error2 = { default-features = false , workspace = true }
+proc-macro2 = { workspace = true, default-features = true }
+quote = { workspace = true, default-features = true }
+syn = { features = ["full"] , workspace = true, default-features = true }
+rstml = { workspace = true, default-features = true }
 leptos_hot_reload = { workspace = true }
 server_fn_macro = { workspace = true }
-convert_case = { workspace = true }
-uuid = { version = "1.11", features = ["v4"] }
-tracing = { version = "0.1.41", optional = true }
+convert_case = { workspace = true , default-features = true }
+uuid = { version = "1.16", features = ["v4"] }
+tracing = { optional = true , workspace = true, default-features = true }
 
 [dev-dependencies]
-log = "0.4.22"
-typed-builder = "0.20.0"
-trybuild = { workspace = true }
+log = "0.4.27"
+typed-builder = { workspace = true, default-features = true }
+trybuild = { workspace = true , default-features = true }
 leptos = { path = "../leptos" }
 leptos_router = { path = "../router", features = ["ssr"] }
 server_fn = { path = "../server_fn", features = ["cbor"] }
-insta = "1.41"
-serde = "1.0"
+insta = "1.42"
+serde = { workspace = true, default-features = true }
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 [features]
 csr = []
 hydrate = []
-ssr = ["server_fn_macro/ssr", "leptos/ssr"]
+ssr = ["server_fn_macro/ssr"]
 nightly = ["server_fn_macro/nightly"]
 tracing = ["dep:tracing"]
 islands = []

leptos_macro/src/component.rs

@@ -359,23 +359,11 @@ impl ToTokens for Model {
         let component = if is_island {
             let hydrate_fn_name = hydrate_fn_name.as_ref().unwrap();
             quote! {
-                {
-                    if ::leptos::context::use_context::<::leptos::reactive::owner::IsHydrating>()
-                        .map(|h| h.0)
-                        .unwrap_or(false) {
-                        ::leptos::either::Either::Left(
-                            #component
-                        )
-                    } else {
-                        ::leptos::either::Either::Right(
-                            ::leptos::tachys::html::islands::Island::new(
-                                stringify!(#hydrate_fn_name),
-                                #component
-                            )
-                             #island_serialized_props
-                        )
-                    }
-                }
+                ::leptos::tachys::html::islands::Island::new(
+                    stringify!(#hydrate_fn_name),
+                    #component
+                )
+                #island_serialized_props
             }
         } else {
             component
@@ -646,7 +634,13 @@ impl Parse for DummyModel {
         let mut attrs = input.call(Attribute::parse_outer)?;
         // Drop unknown attributes like #[deprecated]
         drain_filter(&mut attrs, |attr| {
-            !(attr.path().is_ident("doc") || attr.path().is_ident("allow"))
+            let path = attr.path();
+            !(path.is_ident("doc")
+                || path.is_ident("allow")
+                || path.is_ident("expect")
+                || path.is_ident("warn")
+                || path.is_ident("deny")
+                || path.is_ident("forbid"))
         });
 
         let vis: Visibility = input.parse()?;
@@ -935,13 +929,20 @@ impl UnknownAttrs {
         let attrs = attrs
             .iter()
             .filter_map(|attr| {
-                if attr.path().is_ident("doc") {
+                let path = attr.path();
+
+                if path.is_ident("doc") {
                     if let Meta::NameValue(_) = &attr.meta {
                         return None;
                     }
                 }
 
-                if attr.path().is_ident("allow") {
+                if path.is_ident("allow")
+                    || path.is_ident("expect")
+                    || path.is_ident("warn")
+                    || path.is_ident("deny")
+                    || path.is_ident("forbid")
+                {
                     return None;
                 }
 

leptos_macro/src/lib.rs

@@ -409,6 +409,7 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 /// generate documentation for the component.
 ///
 /// Here’s how you would define and use a simple Leptos component which can accept custom properties for a name and age:
+///
 /// ```rust
 /// # use leptos::prelude::*;
 /// use std::time::Duration;
@@ -446,6 +447,7 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 /// ```
 ///
 /// Here are some important details about how Leptos components work within the framework:
+///
 /// * **The component function only runs once.** Your component function is not a “render” function
 ///    that re-runs whenever changes happen in the state. It’s a “setup” function that runs once to
 ///    create the user interface, and sets up a reactive system to update it. This means it’s okay
@@ -458,7 +460,6 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 ///
 /// ```
 /// # use leptos::prelude::*;
-///
 /// // PascalCase: Generated component will be called MyComponent
 /// #[component]
 /// fn MyComponent() -> impl IntoView {}
@@ -500,8 +501,10 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 /// ```
 ///
 /// ## Customizing Properties
+///
 /// You can use the `#[prop]` attribute on individual component properties (function arguments) to
 /// customize the types that component property can receive. You can use the following attributes:
+///
 /// * `#[prop(into)]`: This will call `.into()` on any value passed into the component prop. (For example,
 ///   you could apply `#[prop(into)]` to a prop that takes
 ///   [Signal](https://docs.rs/leptos/latest/leptos/struct.Signal.html), which would
@@ -514,6 +517,11 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 /// * `#[prop(optional_no_strip)]`: The same as `optional`, but requires values to be passed as `None` or
 ///   `Some(T)` explicitly. This means that the optional property can be omitted (and be `None`), or explicitly
 ///   specified as either `None` or `Some(T)`.
+/// * `#[prop(default = <expr>)]`: Optional property that specifies a default value, which is used when the
+///   property is not specified.
+/// * `#[prop(name = "new_name")]`: Specifiy a different name for the property. Can be used to destructure
+///   fields in component function parameters (see example below).
+///
 /// ```rust
 /// # use leptos::prelude::*;
 ///
@@ -522,6 +530,8 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 ///     #[prop(into)] name: String,
 ///     #[prop(optional)] optional_value: Option<i32>,
 ///     #[prop(optional_no_strip)] optional_no_strip: Option<i32>,
+///     #[prop(default = 7)] optional_default: i32,
+///     #[prop(name = "data")] UserInfo { email, user_id }: UserInfo,
 /// ) -> impl IntoView {
 ///     // whatever UI you need
 /// }
@@ -530,16 +540,24 @@ pub fn include_view(tokens: TokenStream) -> TokenStream {
 /// pub fn App() -> impl IntoView {
 ///     view! {
 ///       <MyComponent
-///         name="Greg" // automatically converted to String with `.into()`
-///         optional_value=42 // received as `Some(42)`
-///         optional_no_strip=Some(42) // received as `Some(42)`
+///         name="Greg"  // automatically converted to String with `.into()`
+///         optional_value=42  // received as `Some(42)`
+///         optional_no_strip=Some(42)  // received as `Some(42)`
+///         optional_default=42  // received as `42`
+///         data=UserInfo {email: "foo", user_id: "bar" }
 ///       />
 ///       <MyComponent
 ///         name="Bob" // automatically converted to String with `.into()`
-///         // optional values can both be omitted, and received as `None`
+///         data=UserInfo {email: "foo", user_id: "bar" }
+///         // optional values can be omitted
 ///       />
 ///     }
 /// }
+///
+/// pub struct UserInfo {
+///     pub email: &'static str,
+///     pub user_id: &'static str,
+/// }
 /// ```
 #[proc_macro_error2::proc_macro_error]
 #[proc_macro_attribute]

leptos_server/Cargo.toml

@@ -10,24 +10,24 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-base64 = "0.22.1"
+base64 = { workspace = true, default-features = true }
 codee = { version = "0.3.0", features = ["json_serde"] }
 hydration_context = { workspace = true }
 reactive_graph = { workspace = true, features = ["hydration"] }
 server_fn = { workspace = true }
-tracing = { version = "0.1.41", optional = true }
-futures = "0.3.31"
+tracing = { optional = true , workspace = true, default-features = true }
+futures = { workspace = true, default-features = true }
 
 any_spawner = { workspace = true }
 or_poisoned = { workspace = true }
 tachys = { workspace = true, optional = true, features = ["reactive_graph"] }
-send_wrapper = "0.6"
+send_wrapper = { workspace = true, default-features = true }
 
 # serialization formats
-serde = { version = "1.0" }
-js-sys = { version = "0.3.74", optional = true }
-wasm-bindgen = { workspace = true, optional = true }
-serde_json = { workspace = true }
+serde = { workspace = true, default-features = true }
+js-sys = { optional = true , workspace = true, default-features = true }
+wasm-bindgen = { workspace = true, optional = true , default-features = true }
+serde_json = { workspace = true , default-features = true }
 
 [features]
 ssr = []

leptos_server/src/local_resource.rs

@@ -14,11 +14,13 @@ use reactive_graph::{
         ArcRwSignal, RwSignal,
     },
     traits::{
-        DefinedAt, IsDisposed, ReadUntracked, Track, Update, With, Write,
+        DefinedAt, IsDisposed, Notify, ReadUntracked, Track, UntrackableGuard,
+        Update, With, Write,
     },
 };
 use std::{
     future::{pending, Future, IntoFuture},
+    ops::{Deref, DerefMut},
     panic::Location,
 };
 
@@ -41,6 +43,14 @@ impl<T> Clone for ArcLocalResource<T> {
     }
 }
 
+impl<T> Deref for ArcLocalResource<T> {
+    type Target = ArcAsyncDerived<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+
 impl<T> ArcLocalResource<T> {
     /// Creates the resource.
     ///
@@ -62,7 +72,7 @@ impl<T> ArcLocalResource<T> {
                     pending().await
                 } else {
                     // LocalResources that are immediately available can cause a hydration error,
-                    // because the future *looks* like it is alredy ready (and therefore would
+                    // because the future *looks* like it is already ready (and therefore would
                     // already have been rendered to html on the server), but in fact was ignored
                     // on the server. the simplest way to avoid this is to ensure that we always
                     // wait a tick before resolving any value for a localresource.
@@ -157,6 +167,32 @@ impl<T> DefinedAt for ArcLocalResource<T> {
     }
 }
 
+impl<T> Notify for ArcLocalResource<T>
+where
+    T: 'static,
+{
+    fn notify(&self) {
+        self.data.notify()
+    }
+}
+
+impl<T> Write for ArcLocalResource<T>
+where
+    T: 'static,
+{
+    type Value = Option<T>;
+
+    fn try_write(&self) -> Option<impl UntrackableGuard<Target = Self::Value>> {
+        self.data.try_write()
+    }
+
+    fn try_write_untracked(
+        &self,
+    ) -> Option<impl DerefMut<Target = Self::Value>> {
+        self.data.try_write_untracked()
+    }
+}
+
 impl<T> ReadUntracked for ArcLocalResource<T>
 where
     T: 'static,
@@ -241,6 +277,14 @@ pub struct LocalResource<T> {
     defined_at: &'static Location<'static>,
 }
 
+impl<T> Deref for LocalResource<T> {
+    type Target = AsyncDerived<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+
 impl<T> Clone for LocalResource<T> {
     fn clone(&self) -> Self {
         *self
@@ -270,7 +314,7 @@ impl<T> LocalResource<T> {
                     pending().await
                 } else {
                     // LocalResources that are immediately available can cause a hydration error,
-                    // because the future *looks* like it is alredy ready (and therefore would
+                    // because the future *looks* like it is already ready (and therefore would
                     // already have been rendered to html on the server), but in fact was ignored
                     // on the server. the simplest way to avoid this is to ensure that we always
                     // wait a tick before resolving any value for a localresource.
@@ -300,6 +344,34 @@ impl<T> LocalResource<T> {
     pub fn refetch(&self) {
         self.refetch.try_update(|n| *n += 1);
     }
+
+    /// Synchronously, reactively reads the current value of the resource and applies the function
+    /// `f` to its value if it is `Some(_)`.
+    #[track_caller]
+    pub fn map<U>(&self, f: impl FnOnce(&T) -> U) -> Option<U>
+    where
+        T: 'static,
+    {
+        self.data.try_with(|n| n.as_ref().map(f))?
+    }
+}
+
+impl<T, E> LocalResource<Result<T, E>>
+where
+    T: 'static,
+    E: Clone + 'static,
+{
+    /// Applies the given function when a resource that returns `Result<T, E>`
+    /// has resolved and loaded an `Ok(_)`, rather than requiring nested `.map()`
+    /// calls over the `Option<Result<_, _>>` returned by the resource.
+    ///
+    /// This is useful when used with features like server functions, in conjunction
+    /// with `<ErrorBoundary/>` and `<Suspense/>`, when these other components are
+    /// left to handle the `None` and `Err(_)` states.
+    #[track_caller]
+    pub fn and_then<U>(&self, f: impl FnOnce(&T) -> U) -> Option<Result<U, E>> {
+        self.map(|data| data.as_ref().map(f).map_err(|e| e.clone()))
+    }
 }
 
 impl<T> IntoFuture for LocalResource<T>
@@ -336,6 +408,32 @@ impl<T> DefinedAt for LocalResource<T> {
     }
 }
 
+impl<T> Notify for LocalResource<T>
+where
+    T: 'static,
+{
+    fn notify(&self) {
+        self.data.notify()
+    }
+}
+
+impl<T> Write for LocalResource<T>
+where
+    T: 'static,
+{
+    type Value = Option<T>;
+
+    fn try_write(&self) -> Option<impl UntrackableGuard<Target = Self::Value>> {
+        self.data.try_write()
+    }
+
+    fn try_write_untracked(
+        &self,
+    ) -> Option<impl DerefMut<Target = Self::Value>> {
+        self.data.try_write_untracked()
+    }
+}
+
 impl<T> ReadUntracked for LocalResource<T>
 where
     T: 'static,

leptos_server/src/resource.rs

@@ -26,7 +26,7 @@ use reactive_graph::{
 };
 use std::{
     future::{pending, IntoFuture},
-    ops::Deref,
+    ops::{Deref, DerefMut},
     panic::Location,
     sync::{
         atomic::{AtomicBool, Ordering},
@@ -162,6 +162,32 @@ where
     }
 }
 
+impl<T, Ser> Notify for ArcResource<T, Ser>
+where
+    T: 'static,
+{
+    fn notify(&self) {
+        self.data.notify()
+    }
+}
+
+impl<T, Ser> Write for ArcResource<T, Ser>
+where
+    T: 'static,
+{
+    type Value = Option<T>;
+
+    fn try_write(&self) -> Option<impl UntrackableGuard<Target = Self::Value>> {
+        self.data.try_write()
+    }
+
+    fn try_write_untracked(
+        &self,
+    ) -> Option<impl DerefMut<Target = Self::Value>> {
+        self.data.try_write_untracked()
+    }
+}
+
 impl<T, Ser> ReadUntracked for ArcResource<T, Ser>
 where
     T: 'static,
@@ -842,6 +868,32 @@ where
     }
 }
 
+impl<T, Ser> Notify for Resource<T, Ser>
+where
+    T: Send + Sync + 'static,
+{
+    fn notify(&self) {
+        self.data.notify()
+    }
+}
+
+impl<T, Ser> Write for Resource<T, Ser>
+where
+    T: Send + Sync + 'static,
+{
+    type Value = Option<T>;
+
+    fn try_write(&self) -> Option<impl UntrackableGuard<Target = Self::Value>> {
+        self.data.try_write()
+    }
+
+    fn try_write_untracked(
+        &self,
+    ) -> Option<impl DerefMut<Target = Self::Value>> {
+        self.data.try_write_untracked()
+    }
+}
+
 impl<T, Ser> ReadUntracked for Resource<T, Ser>
 where
     T: Send + Sync + 'static,

meta/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "leptos_meta"
-version = "0.8.0-rc3"
+version = "0.8.2"
 authors = ["Greg Johnston"]
 license = "MIT"
 repository = "https://github.com/leptos-rs/leptos"
@@ -10,17 +10,18 @@ edition.workspace = true
 
 [dependencies]
 leptos = { workspace = true }
-once_cell = "1.20"
+once_cell = { workspace = true, default-features = true }
 or_poisoned = { workspace = true }
-indexmap = "2.6"
-send_wrapper = "0.6.0"
-tracing = { version = "0.1.41", optional = true }
-wasm-bindgen = { workspace = true }
-futures = "0.3.31"
+indexmap = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
+tracing = { optional = true , workspace = true, default-features = true }
+wasm-bindgen = { workspace = true , default-features = true }
+futures = { workspace = true, default-features = true }
 
 [dependencies.web-sys]
-version = "0.3.72"
 features = ["HtmlLinkElement", "HtmlMetaElement", "HtmlTitleElement"]
+workspace = true
+default-features = true
 
 [features]
 default = []

meta/src/lib.rs

@@ -216,6 +216,13 @@ impl ServerMetaContextOutput {
         self,
         mut stream: impl Stream<Item = String> + Send + Unpin,
     ) -> impl Stream<Item = String> + Send {
+        // if the first chunk consists of a synchronously-available Suspend,
+        // inject_meta_context can accidentally run a tick before it, but the Suspend
+        // when both are available. waiting a tick before awaiting the first chunk
+        // in the Stream ensures that this always runs after that first chunk
+        // see https://github.com/leptos-rs/leptos/issues/3976 for the original issue
+        leptos::task::tick().await;
+
         // wait for the first chunk of the stream, to ensure our components hve run
         let mut first_chunk = stream.next().await.unwrap_or_default();
 
@@ -242,23 +249,22 @@ impl ServerMetaContextOutput {
             let head_loc = first_chunk
                 .find("</head>")
                 .expect("you are using leptos_meta without a </head> tag");
-            let marker_loc =
-                first_chunk.find("<!--HEAD-->").unwrap_or_else(|| {
+            let marker_loc = first_chunk
+                .find("<!--HEAD-->")
+                .map(|pos| pos + "<!--HEAD-->".len())
+                .unwrap_or_else(|| {
                     first_chunk.find("</head>").unwrap_or(head_loc)
                 });
             let (before_marker, after_marker) =
                 first_chunk.split_at_mut(marker_loc);
-            let (before_head_close, after_head) =
-                after_marker.split_at_mut(head_loc - marker_loc);
             buf.push_str(before_marker);
+            buf.push_str(&meta_buf);
             if let Some(title) = title {
                 buf.push_str("<title>");
                 buf.push_str(&title);
                 buf.push_str("</title>");
             }
-            buf.push_str(before_head_close);
-            buf.push_str(&meta_buf);
-            buf.push_str(after_head);
+            buf.push_str(after_marker);
             buf
         };
 

oco/Cargo.toml

@@ -9,8 +9,8 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-serde = "1.0"
-thiserror = { workspace = true }
+serde = { workspace = true, default-features = true }
+thiserror = { workspace = true , default-features = true }
 
 [dev-dependencies]
-serde_json = { workspace = true }
+serde_json = { workspace = true , default-features = true }

projects/session_auth_axum/Cargo.toml

@@ -19,9 +19,9 @@ leptos_router = { path = "../../router" }
 log = "0.4.0"
 simple_logger = "5.0"
 serde = { version = "1.0", features = ["derive"] }
-axum = { version = "0.7.0", optional = true, features = ["macros"] }
-tower = { version = "0.4.0", optional = true }
-tower-http = { version = "0.5.0", features = ["fs"], optional = true }
+axum = { version = "0.8.0", optional = true, features = ["macros"] }
+tower = { version = "0.5.0", optional = true }
+tower-http = { version = "0.6.0", features = ["fs"], optional = true }
 tokio = { version = "1.0", features = ["full"], optional = true }
 http = { version = "1.0" }
 sqlx = { version = "0.8.0", features = [
@@ -30,10 +30,13 @@ sqlx = { version = "0.8.0", features = [
 ], optional = true }
 thiserror = "1.0"
 wasm-bindgen = "0.2.0"
-axum_session_auth = { version = "0.14.0", features = [], optional = true }
-axum_session = { version = "0.14.0", features = [], optional = true }
-axum_session_sqlx = { version = "0.3.0", features = [ "sqlite", "tls-rustls"], optional = true }
-bcrypt = { version = "0.15.0", optional = true }
+axum_session_auth = { version = "0.16.0", features = [], optional = true }
+axum_session = { version = "0.16.0", features = [], optional = true }
+axum_session_sqlx = { version = "0.5.0", features = [
+  "sqlite",
+  "tls-rustls",
+], optional = true }
+bcrypt = { version = "0.17.0", optional = true }
 async-trait = { version = "0.1.0", optional = true }
 
 [features]

projects/session_auth_axum/src/auth.rs

@@ -185,7 +185,7 @@ pub async fn foo() -> Result<String, ServerFnError> {
 pub async fn get_user() -> Result<Option<User>, ServerFnError> {
     use crate::todo::ssr::auth;
 
-    let auth = auth()?;
+    let auth = auth().await?;
 
     Ok(auth.current_user)
 }
@@ -199,7 +199,7 @@ pub async fn login(
     use self::ssr::*;
 
     let pool = pool()?;
-    let auth = auth()?;
+    let auth = auth().await?;
 
     let (user, UserPasshash(expected_passhash)) =
         User::get_from_username_with_passhash(username, &pool)
@@ -229,7 +229,7 @@ pub async fn signup(
     use self::ssr::*;
 
     let pool = pool()?;
-    let auth = auth()?;
+    let auth = auth().await?;
 
     if password != password_confirmation {
         return Err(ServerFnError::ServerError(
@@ -264,7 +264,7 @@ pub async fn signup(
 pub async fn logout() -> Result<(), ServerFnError> {
     use self::ssr::*;
 
-    let auth = auth()?;
+    let auth = auth().await?;
 
     auth.logout_user();
     leptos_axum::redirect("/");

projects/session_auth_axum/src/main.rs

@@ -1,62 +1,12 @@
-use axum::{
-    body::Body as AxumBody,
-    extract::{Path, State},
-    http::Request,
-    response::{IntoResponse, Response},
-    routing::get,
-    Router,
-};
+use axum::Router;
 use axum_session::{SessionConfig, SessionLayer, SessionStore};
 use axum_session_auth::{AuthConfig, AuthSessionLayer};
 use axum_session_sqlx::SessionSqlitePool;
-use leptos::{
-    config::get_configuration, logging::log, prelude::provide_context,
-};
-use leptos_axum::{
-    generate_route_list, handle_server_fns_with_context, LeptosRoutes,
-};
-use session_auth_axum::{
-    auth::{ssr::AuthSession, User},
-    state::AppState,
-    todo::*,
-};
+use leptos::{config::get_configuration, logging::log};
+use leptos_axum::{generate_route_list, LeptosRoutes};
+use session_auth_axum::{auth::User, state::AppState, todo::*};
 use sqlx::{sqlite::SqlitePoolOptions, SqlitePool};
 
-async fn server_fn_handler(
-    State(app_state): State<AppState>,
-    auth_session: AuthSession,
-    path: Path<String>,
-    request: Request<AxumBody>,
-) -> impl IntoResponse {
-    log!("{:?}", path);
-
-    handle_server_fns_with_context(
-        move || {
-            provide_context(auth_session.clone());
-            provide_context(app_state.pool.clone());
-        },
-        request,
-    )
-    .await
-}
-
-async fn leptos_routes_handler(
-    auth_session: AuthSession,
-    state: State<AppState>,
-    req: Request<AxumBody>,
-) -> Response {
-    let State(app_state) = state.clone();
-    let handler = leptos_axum::render_route_with_context(
-        app_state.routes.clone(),
-        move || {
-            provide_context(auth_session.clone());
-            provide_context(app_state.pool.clone());
-        },
-        move || shell(app_state.leptos_options.clone()),
-    );
-    handler(state, req).await.into_response()
-}
-
 #[tokio::main]
 async fn main() {
     simple_logger::init_with_level(log::Level::Info)
@@ -82,18 +32,6 @@ async fn main() {
         eprintln!("{e:?}");
     }
 
-    // Explicit server function registration is no longer required
-    // on the main branch. On 0.3.0 and earlier, uncomment the lines
-    // below to register the server functions.
-    // _ = GetTodos::register();
-    // _ = AddTodo::register();
-    // _ = DeleteTodo::register();
-    // _ = Login::register();
-    // _ = Logout::register();
-    // _ = Signup::register();
-    // _ = GetUser::register();
-    // _ = Foo::register();
-
     // Setting this to None means we'll be using cargo-leptos and its env vars
     let conf = get_configuration(None).unwrap();
     let leptos_options = conf.leptos_options;
@@ -108,11 +46,10 @@ async fn main() {
 
     // build our application with a route
     let app = Router::new()
-        .route(
-            "/api/*fn_name",
-            get(server_fn_handler).post(server_fn_handler),
-        )
-        .leptos_routes_with_handler(routes, get(leptos_routes_handler))
+        .leptos_routes(&app_state, routes, {
+            let options = app_state.leptos_options.clone();
+            move || shell(options.clone())
+        })
         .fallback(leptos_axum::file_and_error_handler::<AppState, _>(shell))
         .layer(
             AuthSessionLayer::<User, i64, SessionSqlitePool, SqlitePool>::new(

projects/session_auth_axum/src/todo.rs

@@ -1,7 +1,7 @@
 use crate::{auth::*, error_template::ErrorTemplate};
 use leptos::prelude::*;
 use leptos_meta::*;
-use leptos_router::{components::*, *};
+use leptos_router::{components::*, path};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
@@ -16,19 +16,21 @@ pub struct Todo {
 #[cfg(feature = "ssr")]
 pub mod ssr {
     use super::Todo;
-    use crate::auth::{ssr::AuthSession, User};
+    use crate::{
+        auth::{ssr::AuthSession, User},
+        state::AppState,
+    };
     use leptos::prelude::*;
     use sqlx::SqlitePool;
 
     pub fn pool() -> Result<SqlitePool, ServerFnError> {
-        use_context::<SqlitePool>()
+        with_context::<AppState, _>(|state| state.pool.clone())
             .ok_or_else(|| ServerFnError::ServerError("Pool missing.".into()))
     }
 
-    pub fn auth() -> Result<AuthSession, ServerFnError> {
-        use_context::<AuthSession>().ok_or_else(|| {
-            ServerFnError::ServerError("Auth session missing.".into())
-        })
+    pub async fn auth() -> Result<AuthSession, ServerFnError> {
+        let auth = leptos_axum::extract().await?;
+        Ok(auth)
     }
 
     #[derive(sqlx::FromRow, Clone)]
@@ -165,7 +167,7 @@ pub fn TodoApp() -> impl IntoView {
                                         ", "
                                         <A href="/login">"Login"</A>
                                         ", "
-                                        <span>{format!("Login error: {}", e)}</span>
+                                        <span>{format!("Login error: {e}")}</span>
                                     }
                                         .into_any()
                                 }

reactive_graph/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "reactive_graph"
-version = "0.2.0-rc3"
+version = "0.2.2"
 authors = ["Greg Johnston"]
 license = "MIT"
 readme = "../README.md"
@@ -12,28 +12,28 @@ edition.workspace = true
 [dependencies]
 any_spawner = { workspace = true }
 or_poisoned = { workspace = true }
-futures = "0.3.31"
+futures = { workspace = true, default-features = true }
 hydration_context = { workspace = true, optional = true }
-pin-project-lite = "0.2.15"
-rustc-hash = "2.0"
-serde = { version = "1.0", features = ["derive"], optional = true }
-slotmap = "1.0"
-thiserror = { workspace = true }
-tracing = { version = "0.1.41", optional = true }
-guardian = "1.2"
+pin-project-lite = { workspace = true, default-features = true }
+rustc-hash = { workspace = true, default-features = true }
+serde = { features = ["derive"], optional = true , workspace = true, default-features = true }
+slotmap = { workspace = true, default-features = true }
+thiserror = { workspace = true , default-features = true }
+tracing = { optional = true , workspace = true, default-features = true }
+guardian = { workspace = true, default-features = true }
 async-lock = "3.4.0"
-send_wrapper = { version = "0.6.0", features = ["futures"] }
+send_wrapper = { features = ["futures"] , workspace = true, default-features = true }
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dependencies]
-web-sys = { version = "0.3.72", features = ["console"] }
+web-sys = { version = "0.3.77", features = ["console"] }
 
 [dev-dependencies]
-tokio = { version = "1.43", features = ["rt-multi-thread", "macros"] }
-tokio-test = { version = "0.4.4" }
+tokio = { features = ["rt-multi-thread", "macros"] , workspace = true, default-features = true }
+tokio-test = { workspace = true, default-features = true }
 any_spawner = { workspace = true, features = ["futures-executor", "tokio"] }
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 [features]
 nightly = []

reactive_graph/src/computed/async_derived/arc_async_derived.rs

@@ -234,7 +234,8 @@ macro_rules! spawn_derived {
             subscribers: SubscriberSet::new(),
             state: AsyncDerivedState::Clean,
             version: 0,
-            suspenses: Vec::new()
+            suspenses: Vec::new(),
+            pending_suspenses: Vec::new()
         }));
         let value = Arc::new(AsyncRwLock::new($initial));
         let wakers = Arc::new(RwLock::new(Vec::new()));
@@ -364,7 +365,7 @@ macro_rules! spawn_derived {
                                     // generate and assign new value
                                     loading.store(true, Ordering::Relaxed);
 
-                                    let (this_version, suspense_ids) = {
+                                    let this_version = {
                                         let mut guard = inner.write().or_poisoned();
                                         guard.version += 1;
                                         let version = guard.version;
@@ -372,14 +373,17 @@ macro_rules! spawn_derived {
                                             .into_iter()
                                             .map(|sc| sc.task_id())
                                             .collect::<Vec<_>>();
-                                        (version, suspense_ids)
+                                        guard.pending_suspenses.extend(suspense_ids);
+                                        version
                                     };
 
                                     let new_value = fut.await;
 
-                                    drop(suspense_ids);
-
-                                    let latest_version = inner.read().or_poisoned().version;
+                                    let latest_version = {
+                                        let mut guard = inner.write().or_poisoned();
+                                        drop(mem::take(&mut guard.pending_suspenses));
+                                        guard.version
+                                    };
 
                                     if latest_version == this_version {
                                         Self::set_inner_value(new_value, value, wakers, inner, loading, Some(ready_tx)).await;
@@ -514,7 +518,9 @@ impl<T: 'static> ArcAsyncDerived<T> {
     {
         let fun = move || {
             let fut = fun();
-            async move { SendOption::new(Some(fut.await)) }
+            ScopedFuture::new_untracked(async move {
+                SendOption::new(Some(fut.await))
+            })
         };
         let initial_value = SendOption::new(initial_value);
         let (this, _) = spawn_derived!(
@@ -641,6 +647,14 @@ impl<T: 'static> Write for ArcAsyncDerived<T> {
     type Value = Option<T>;
 
     fn try_write(&self) -> Option<impl UntrackableGuard<Target = Self::Value>> {
+        // increment the version, such that a rerun triggered previously does not overwrite this
+        // new value
+        let mut guard = self.inner.write().or_poisoned();
+        guard.version += 1;
+
+        // tell any suspenses to stop waiting for this
+        drop(mem::take(&mut guard.pending_suspenses));
+
         Some(MappedMut::new(
             WriteGuard::new(self.clone(), self.value.blocking_write()),
             |v| v.deref(),
@@ -651,6 +665,14 @@ impl<T: 'static> Write for ArcAsyncDerived<T> {
     fn try_write_untracked(
         &self,
     ) -> Option<impl DerefMut<Target = Self::Value>> {
+        // increment the version, such that a rerun triggered previously does not overwrite this
+        // new value
+        let mut guard = self.inner.write().or_poisoned();
+        guard.version += 1;
+
+        // tell any suspenses to stop waiting for this
+        drop(mem::take(&mut guard.pending_suspenses));
+
         Some(MappedMut::new(
             self.value.blocking_write(),
             |v| v.deref(),

reactive_graph/src/computed/async_derived/async_derived.rs

@@ -14,8 +14,10 @@ use crate::{
     unwrap_signal,
 };
 use core::fmt::Debug;
+use or_poisoned::OrPoisoned;
 use std::{
     future::Future,
+    mem,
     ops::{Deref, DerefMut},
     panic::Location,
 };
@@ -27,7 +29,7 @@ use std::{
 /// values that depend on it that it has changed.
 ///
 /// This is an arena-allocated type, which is `Copy` and is disposed when its reactive
-/// [`Owner`](crate::owner::Owner) cleans up. For a reference-counted signal that livesas
+/// [`Owner`](crate::owner::Owner) cleans up. For a reference-counted signal that lives as
 /// as long as a reference to it is alive, see [`ArcAsyncDerived`].
 ///
 /// ## Examples
@@ -349,6 +351,17 @@ where
         let guard = self
             .inner
             .try_with_value(|n| n.value.blocking_write_arc())?;
+
+        self.inner.try_with_value(|n| {
+            let mut guard = n.inner.write().or_poisoned();
+            // increment the version, such that a rerun triggered previously does not overwrite this
+            // new value
+            guard.version += 1;
+
+            // tell any suspenses to stop waiting for this
+            drop(mem::take(&mut guard.pending_suspenses));
+        });
+
         Some(MappedMut::new(
             WriteGuard::new(*self, guard),
             |v| v.deref(),
@@ -359,6 +372,16 @@ where
     fn try_write_untracked(
         &self,
     ) -> Option<impl DerefMut<Target = Self::Value>> {
+        self.inner.try_with_value(|n| {
+            let mut guard = n.inner.write().or_poisoned();
+            // increment the version, such that a rerun triggered previously does not overwrite this
+            // new value
+            guard.version += 1;
+
+            // tell any suspenses to stop waiting for this
+            drop(mem::take(&mut guard.pending_suspenses));
+        });
+
         self.inner
             .try_with_value(|n| n.value.blocking_write_arc())
             .map(|inner| {

reactive_graph/src/computed/async_derived/inner.rs

@@ -1,3 +1,4 @@
+use super::suspense::TaskHandle;
 use crate::{
     channel::Sender,
     computed::suspense::SuspenseContext,
@@ -22,6 +23,7 @@ pub(crate) struct ArcAsyncDerivedInner {
     pub state: AsyncDerivedState,
     pub version: usize,
     pub suspenses: Vec<SuspenseContext>,
+    pub pending_suspenses: Vec<TaskHandle>,
 }
 
 #[derive(Debug, PartialEq, Eq)]

reactive_graph/src/computed/async_derived/mod.rs

@@ -42,6 +42,18 @@ impl<Fut> ScopedFuture<Fut> {
             fut,
         }
     }
+
+    /// Wraps the given `Future` by taking the current [`Owner`] re-setting it as the
+    /// active owner every time the inner `Future` is polled. Always untracks, i.e., clears
+    /// the active [`Observer`] when polled.
+    pub fn new_untracked(fut: Fut) -> Self {
+        let owner = Owner::current().unwrap_or_default();
+        Self {
+            owner,
+            observer: None,
+            fut,
+        }
+    }
 }
 
 impl<Fut: Future> Future for ScopedFuture<Fut> {

reactive_graph/src/computed/inner.rs

@@ -15,7 +15,7 @@ pub struct MemoInner<T, S>
 where
     S: Storage<T>,
 {
-    /// Must always be aquired *after* the reactivity lock
+    /// Must always be acquired *after* the reactivity lock
     pub(crate) value: Arc<RwLock<Option<S::Wrapped>>>,
     #[allow(clippy::type_complexity)]
     pub(crate) fun: Arc<dyn Fn(Option<T>) -> (T, bool) + Send + Sync>,
@@ -137,7 +137,7 @@ where
                 })
             });
 
-            // Two locks are aquired, so order matters.
+            // Two locks are acquired, so order matters.
             let reactivity_lock = self.reactivity.write().or_poisoned();
             {
                 // Safety: Can block endlessly if the user is has a ReadGuard on the value

reactive_graph/src/computed/memo.rs

@@ -27,7 +27,7 @@ use std::{fmt::Debug, hash::Hash, panic::Location};
 /// not re-run the calculation when a source signal changes until they are read again.
 ///
 /// This is an arena-allocated type, which is `Copy` and is disposed when its reactive
-/// [`Owner`](crate::owner::Owner) cleans up. For a reference-counted signal that livesas
+/// [`Owner`](crate::owner::Owner) cleans up. For a reference-counted signal that lives as
 /// as long as a reference to it is alive, see [`ArcMemo`].
 ///
 /// ```

reactive_graph/src/diagnostics.rs

@@ -14,7 +14,7 @@ pub struct SpecialNonReactiveZone;
 
 /// Exits the "special non-reactive zone" when dropped.
 #[derive(Debug)]
-pub struct SpecialNonReactiveZoneGuard;
+pub struct SpecialNonReactiveZoneGuard(bool);
 
 use pin_project_lite::pin_project;
 use std::{
@@ -31,8 +31,8 @@ thread_local! {
 impl SpecialNonReactiveZone {
     /// Suppresses warnings about non-reactive accesses until the guard is dropped.
     pub fn enter() -> SpecialNonReactiveZoneGuard {
-        IS_SPECIAL_ZONE.set(true);
-        SpecialNonReactiveZoneGuard
+        let prev = IS_SPECIAL_ZONE.replace(true);
+        SpecialNonReactiveZoneGuard(prev)
     }
 
     #[cfg(all(debug_assertions, feature = "effects"))]
@@ -48,7 +48,7 @@ impl SpecialNonReactiveZone {
 
 impl Drop for SpecialNonReactiveZoneGuard {
     fn drop(&mut self) {
-        IS_SPECIAL_ZONE.set(false);
+        IS_SPECIAL_ZONE.set(self.0);
     }
 }
 

reactive_graph/src/lib.rs

@@ -104,15 +104,7 @@ pub mod prelude {
 #[allow(unused)]
 #[doc(hidden)]
 pub fn log_warning(text: Arguments) {
-    #[cfg(feature = "tracing")]
-    {
-        tracing::warn!(text);
-    }
-    #[cfg(all(
-        not(feature = "tracing"),
-        target_arch = "wasm32",
-        target_os = "unknown"
-    ))]
+    #[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
     {
         web_sys::console::warn_1(&text.to_string().into());
     }

reactive_graph/src/owner.rs

@@ -1,4 +1,4 @@
-//! The reactive ownership model, which manages effect cancelation, cleanups, and arena allocation.
+//! The reactive ownership model, which manages effect cancellation, cleanups, and arena allocation.
 
 #[cfg(feature = "hydration")]
 use hydration_context::SharedContext;
@@ -32,7 +32,7 @@ pub use storage::*;
 pub use stored_value::{store_value, FromLocal, StoredValue};
 
 /// A reactive owner, which manages
-/// 1) the cancelation of [`Effect`](crate::effect::Effect)s,
+/// 1) the cancellation of [`Effect`](crate::effect::Effect)s,
 /// 2) providing and accessing environment data via [`provide_context`] and [`use_context`],
 /// 3) running cleanup functions defined via [`Owner::on_cleanup`], and
 /// 4) an arena storage system to provide `Copy` handles via [`ArenaItem`], which is what allows
@@ -167,6 +167,7 @@ impl Owner {
                     .map(|parent| parent.read().or_poisoned().arena.clone())
                     .unwrap_or_default(),
                 paused: false,
+                joined_owners: Vec::new(),
             })),
             #[cfg(feature = "hydration")]
             shared_context,
@@ -201,6 +202,7 @@ impl Owner {
                 #[cfg(feature = "sandboxed-arenas")]
                 arena: Default::default(),
                 paused: false,
+                joined_owners: Vec::new(),
             })),
             #[cfg(feature = "hydration")]
             shared_context,
@@ -226,6 +228,7 @@ impl Owner {
                 #[cfg(feature = "sandboxed-arenas")]
                 arena,
                 paused,
+                joined_owners: Vec::new(),
             })),
             #[cfg(feature = "hydration")]
             shared_context: self.shared_context.clone(),
@@ -455,6 +458,7 @@ pub(crate) struct OwnerInner {
     #[cfg(feature = "sandboxed-arenas")]
     arena: Arc<RwLock<ArenaMap>>,
     paused: bool,
+    joined_owners: Vec<Owner>,
 }
 
 impl Debug for OwnerInner {

reactive_graph/src/owner/context.rs

@@ -3,9 +3,19 @@ use or_poisoned::OrPoisoned;
 use std::{
     any::{Any, TypeId},
     collections::VecDeque,
+    sync::Arc,
 };
 
 impl Owner {
+    #[doc(hidden)]
+    pub fn join_contexts(&self, other: &Owner) {
+        self.inner
+            .write()
+            .or_poisoned()
+            .joined_owners
+            .push(other.clone());
+    }
+
     fn provide_context<T: Send + Sync + 'static>(&self, value: T) {
         self.inner
             .write()
@@ -21,22 +31,31 @@ impl Owner {
     fn take_context<T: 'static>(&self) -> Option<T> {
         let ty = TypeId::of::<T>();
         let mut inner = self.inner.write().or_poisoned();
-        let mut parent = inner.parent.as_ref().and_then(|p| p.upgrade());
         let contexts = &mut inner.contexts;
         if let Some(context) = contexts.remove(&ty) {
             context.downcast::<T>().ok().map(|n| *n)
         } else {
-            while let Some(ref this_parent) = parent.clone() {
-                let mut this_parent = this_parent.write().or_poisoned();
-                let contexts = &mut this_parent.contexts;
-                let value = contexts.remove(&ty);
-                let downcast =
-                    value.and_then(|context| context.downcast::<T>().ok());
-                if let Some(value) = downcast {
-                    return Some(*value);
-                } else {
-                    parent =
-                        this_parent.parent.as_ref().and_then(|p| p.upgrade());
+            let parent = inner.parent.as_ref().and_then(|p| p.upgrade());
+            let joined = inner
+                .joined_owners
+                .iter()
+                .map(|owner| Arc::clone(&owner.inner));
+            for parent in parent.into_iter().chain(joined) {
+                let mut parent = Some(parent);
+                while let Some(ref this_parent) = parent.clone() {
+                    let mut this_parent = this_parent.write().or_poisoned();
+                    let contexts = &mut this_parent.contexts;
+                    let value = contexts.remove(&ty);
+                    let downcast =
+                        value.and_then(|context| context.downcast::<T>().ok());
+                    if let Some(value) = downcast {
+                        return Some(*value);
+                    } else {
+                        parent = this_parent
+                            .parent
+                            .as_ref()
+                            .and_then(|p| p.upgrade());
+                    }
                 }
             }
             None
@@ -49,22 +68,31 @@ impl Owner {
     ) -> Option<R> {
         let ty = TypeId::of::<T>();
         let inner = self.inner.read().or_poisoned();
-        let mut parent = inner.parent.as_ref().and_then(|p| p.upgrade());
         let contexts = &inner.contexts;
         let reference = if let Some(context) = contexts.get(&ty) {
             context.downcast_ref::<T>()
         } else {
-            while let Some(ref this_parent) = parent.clone() {
-                let this_parent = this_parent.read().or_poisoned();
-                let contexts = &this_parent.contexts;
-                let value = contexts.get(&ty);
-                let downcast =
-                    value.and_then(|context| context.downcast_ref::<T>());
-                if let Some(value) = downcast {
-                    return Some(cb(value));
-                } else {
-                    parent =
-                        this_parent.parent.as_ref().and_then(|p| p.upgrade());
+            let parent = inner.parent.as_ref().and_then(|p| p.upgrade());
+            let joined = inner
+                .joined_owners
+                .iter()
+                .map(|owner| Arc::clone(&owner.inner));
+            for parent in parent.into_iter().chain(joined) {
+                let mut parent = Some(parent);
+                while let Some(ref this_parent) = parent.clone() {
+                    let this_parent = this_parent.read().or_poisoned();
+                    let contexts = &this_parent.contexts;
+                    let value = contexts.get(&ty);
+                    let downcast =
+                        value.and_then(|context| context.downcast_ref::<T>());
+                    if let Some(value) = downcast {
+                        return Some(cb(value));
+                    } else {
+                        parent = this_parent
+                            .parent
+                            .as_ref()
+                            .and_then(|p| p.upgrade());
+                    }
                 }
             }
             None
@@ -78,22 +106,31 @@ impl Owner {
     ) -> Option<R> {
         let ty = TypeId::of::<T>();
         let mut inner = self.inner.write().or_poisoned();
-        let mut parent = inner.parent.as_ref().and_then(|p| p.upgrade());
         let contexts = &mut inner.contexts;
         let reference = if let Some(context) = contexts.get_mut(&ty) {
             context.downcast_mut::<T>()
         } else {
-            while let Some(ref this_parent) = parent.clone() {
-                let mut this_parent = this_parent.write().or_poisoned();
-                let contexts = &mut this_parent.contexts;
-                let value = contexts.get_mut(&ty);
-                let downcast =
-                    value.and_then(|context| context.downcast_mut::<T>());
-                if let Some(value) = downcast {
-                    return Some(cb(value));
-                } else {
-                    parent =
-                        this_parent.parent.as_ref().and_then(|p| p.upgrade());
+            let parent = inner.parent.as_ref().and_then(|p| p.upgrade());
+            let joined = inner
+                .joined_owners
+                .iter()
+                .map(|owner| Arc::clone(&owner.inner));
+            for parent in parent.into_iter().chain(joined) {
+                let mut parent = Some(parent);
+                while let Some(ref this_parent) = parent.clone() {
+                    let mut this_parent = this_parent.write().or_poisoned();
+                    let contexts = &mut this_parent.contexts;
+                    let value = contexts.get_mut(&ty);
+                    let downcast =
+                        value.and_then(|context| context.downcast_mut::<T>());
+                    if let Some(value) = downcast {
+                        return Some(cb(value));
+                    } else {
+                        parent = this_parent
+                            .parent
+                            .as_ref()
+                            .and_then(|p| p.upgrade());
+                    }
                 }
             }
             None
@@ -236,11 +273,11 @@ pub fn provide_context<T: Send + Sync + 'static>(value: T) {
 ///
 ///     Effect::new(move |_| {
 ///         // each use_context clones the value
-///         let value =
-///             use_context::<String>().expect("could not find i32 in context");
+///         let value = use_context::<String>()
+///             .expect("could not find String in context");
 ///         assert_eq!(value, "foo");
-///         let value2 =
-///             use_context::<String>().expect("could not find i32 in context");
+///         let value2 = use_context::<String>()
+///             .expect("could not find String in context");
 ///         assert_eq!(value2, "foo");
 ///     });
 /// });
@@ -284,11 +321,11 @@ pub fn use_context<T: Clone + 'static>() -> Option<T> {
 ///
 ///     Effect::new(move |_| {
 ///         // each use_context clones the value
-///         let value =
-///             use_context::<String>().expect("could not find i32 in context");
+///         let value = use_context::<String>()
+///             .expect("could not find String in context");
 ///         assert_eq!(value, "foo");
-///         let value2 =
-///             use_context::<String>().expect("could not find i32 in context");
+///         let value2 = use_context::<String>()
+///             .expect("could not find String in context");
 ///         assert_eq!(value2, "foo");
 ///     });
 /// });

reactive_graph/src/send_wrapper_ext.rs

@@ -9,7 +9,7 @@ use std::{
 /// An optional value that can always be sent between threads, even if its inner value
 /// in the `Some(_)` case would not be threadsafe.
 ///
-/// This struct can be derefenced to `Option<T>`.
+/// This struct can be dereferenced to `Option<T>`.
 ///
 /// If it has been given a local (`!Send`) value, that value is wrapped in a [`SendWrapper`], which
 /// allows sending it between threads but will panic if it is accessed or updated from a  

reactive_graph/src/signal/mapped.rs

@@ -22,11 +22,11 @@ use std::{
 ///  allowing you to read or write directly to one of its field.
 ///
 /// Tracking the mapped signal tracks changes to *any* part of the signal, and updating the signal notifies
-/// and notifies *all* depenendencies of the signal. This is not a mechanism for fine-grained reactive updates
+/// and notifies *all* dependencies of the signal. This is not a mechanism for fine-grained reactive updates
 /// to more complex data structures. Instead, it allows you to provide a signal-like API for wrapped types
 /// without exposing the original type directly to users.
 pub struct ArcMappedSignal<T> {
-    #[cfg(debug_assertions)]
+    #[cfg(any(debug_assertions, leptos_debuginfo))]
     defined_at: &'static Location<'static>,
     #[allow(clippy::type_complexity)]
     try_read_untracked: Arc<
@@ -44,7 +44,7 @@ pub struct ArcMappedSignal<T> {
 impl<T> Clone for ArcMappedSignal<T> {
     fn clone(&self) -> Self {
         Self {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: self.defined_at,
             try_read_untracked: self.try_read_untracked.clone(),
             try_write: self.try_write.clone(),
@@ -67,7 +67,7 @@ impl<T> ArcMappedSignal<T> {
         U: Send + Sync + 'static,
     {
         Self {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             try_read_untracked: {
                 let this = inner.clone();
@@ -110,7 +110,7 @@ impl<T> ArcMappedSignal<T> {
 impl<T> Debug for ArcMappedSignal<T> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let mut partial = f.debug_struct("ArcMappedSignal");
-        #[cfg(debug_assertions)]
+        #[cfg(any(debug_assertions, leptos_debuginfo))]
         partial.field("defined_at", &self.defined_at);
         partial.finish()
     }
@@ -118,11 +118,11 @@ impl<T> Debug for ArcMappedSignal<T> {
 
 impl<T> DefinedAt for ArcMappedSignal<T> {
     fn defined_at(&self) -> Option<&'static Location<'static>> {
-        #[cfg(debug_assertions)]
+        #[cfg(any(debug_assertions, leptos_debuginfo))]
         {
             Some(self.defined_at)
         }
-        #[cfg(not(debug_assertions))]
+        #[cfg(not(any(debug_assertions, leptos_debuginfo)))]
         {
             None
         }
@@ -224,11 +224,11 @@ where
 ///  allowing you to read or write directly to one of its field.
 ///
 /// Tracking the mapped signal tracks changes to *any* part of the signal, and updating the signal notifies
-/// and notifies *all* depenendencies of the signal. This is not a mechanism for fine-grained reactive updates
+/// and notifies *all* dependencies of the signal. This is not a mechanism for fine-grained reactive updates
 /// to more complex data structures. Instead, it allows you to provide a signal-like API for wrapped types
 /// without exposing the original type directly to users.
 pub struct MappedSignal<T, S = SyncStorage> {
-    #[cfg(debug_assertions)]
+    #[cfg(any(debug_assertions, leptos_debuginfo))]
     defined_at: &'static Location<'static>,
     inner: StoredValue<ArcMappedSignal<T>, S>,
 }
@@ -246,7 +246,7 @@ impl<T> MappedSignal<T> {
         U: Send + Sync + 'static,
     {
         Self {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             inner: {
                 let this = ArcRwSignal::from(inner);
@@ -269,7 +269,7 @@ impl<T> Clone for MappedSignal<T> {
 impl<T> Debug for MappedSignal<T> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let mut partial = f.debug_struct("MappedSignal");
-        #[cfg(debug_assertions)]
+        #[cfg(any(debug_assertions, leptos_debuginfo))]
         partial.field("defined_at", &self.defined_at);
         partial.finish()
     }
@@ -277,11 +277,11 @@ impl<T> Debug for MappedSignal<T> {
 
 impl<T> DefinedAt for MappedSignal<T> {
     fn defined_at(&self) -> Option<&'static Location<'static>> {
-        #[cfg(debug_assertions)]
+        #[cfg(any(debug_assertions, leptos_debuginfo))]
         {
             Some(self.defined_at)
         }
-        #[cfg(not(debug_assertions))]
+        #[cfg(not(any(debug_assertions, leptos_debuginfo)))]
         {
             None
         }
@@ -352,7 +352,7 @@ where
     #[track_caller]
     fn from(value: ArcMappedSignal<T>) -> Self {
         MappedSignal {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             inner: StoredValue::new(value),
         }

reactive_graph/src/signal/write.rs

@@ -29,7 +29,7 @@ use std::{hash::Hash, ops::DerefMut, panic::Location, sync::Arc};
 /// > Each of these has a related `_untracked()` method, which updates the signal
 /// > without notifying subscribers. Untracked updates are not desirable in most
 /// > cases, as they cause “tearing” between the signal’s value and its observed
-/// > value. If you want a non-reactive container, used [`ArenaItem`] instead.
+/// > value. If you want a non-reactive container, use [`ArenaItem`] instead.
 ///
 /// ## Examples
 /// ```
@@ -118,7 +118,7 @@ where
     #[track_caller]
     fn from(value: ArcWriteSignal<T>) -> Self {
         WriteSignal {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             inner: ArenaItem::new_with_storage(value),
         }
@@ -132,7 +132,7 @@ where
     #[track_caller]
     fn from_local(value: ArcWriteSignal<T>) -> Self {
         WriteSignal {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             inner: ArenaItem::new_with_storage(value),
         }

reactive_graph/src/traits.rs

@@ -643,7 +643,7 @@ pub trait IntoInner {
     /// The type of the value contained in the signal.
     type Value;
 
-    /// Returns the inner value if this is the only reference to to the signal.
+    /// Returns the inner value if this is the only reference to the signal.
     /// Otherwise, returns `None` and drops this reference.
     /// # Panics
     /// Panics if the inner lock is poisoned.

reactive_graph/src/wrappers.rs

@@ -11,7 +11,8 @@ pub mod read {
         },
         signal::{
             guards::{Mapped, Plain, ReadGuard},
-            ArcReadSignal, ArcRwSignal, ReadSignal, RwSignal,
+            ArcMappedSignal, ArcReadSignal, ArcRwSignal, MappedSignal,
+            ReadSignal, RwSignal,
         },
         traits::{
             DefinedAt, Dispose, Get, Read, ReadUntracked, ReadValue, Track,
@@ -807,6 +808,16 @@ pub mod read {
         }
     }
 
+    impl<T> From<MappedSignal<T>> for Signal<T>
+    where
+        T: Clone + Send + Sync + 'static,
+    {
+        #[track_caller]
+        fn from(value: MappedSignal<T>) -> Self {
+            Self::derive(move || value.get())
+        }
+    }
+
     impl<T> From<RwSignal<T, LocalStorage>> for Signal<T, LocalStorage>
     where
         T: 'static,
@@ -839,6 +850,16 @@ pub mod read {
         }
     }
 
+    impl<T> From<ArcMappedSignal<T>> for Signal<T>
+    where
+        T: Clone + Send + Sync + 'static,
+    {
+        #[track_caller]
+        fn from(value: ArcMappedSignal<T>) -> Self {
+            MappedSignal::from(value).into()
+        }
+    }
+
     impl<T> From<ArcRwSignal<T>> for Signal<T, LocalStorage>
     where
         T: Send + Sync + 'static,

reactive_stores/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "reactive_stores"
-version = "0.2.0-rc3"
+version = "0.2.2"
 authors = ["Greg Johnston"]
 license = "MIT"
 readme = "../README.md"
@@ -10,19 +10,19 @@ rust-version.workspace = true
 edition.workspace = true
 
 [dependencies]
-guardian = "1.2"
-itertools = { workspace = true }
+guardian = { workspace = true, default-features = true }
+itertools = { workspace = true , default-features = true }
 or_poisoned = { workspace = true }
-paste = "1.0"
+paste = { workspace = true, default-features = true }
 reactive_graph = { workspace = true }
-rustc-hash = "2.0"
+rustc-hash = { workspace = true, default-features = true }
 reactive_stores_macro = { workspace = true }
-dashmap = "6.1"
-send_wrapper = "0.6.0"
+dashmap = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
 
 [dev-dependencies]
-tokio = { version = "1.43", features = ["rt-multi-thread", "macros"] }
-tokio-test = { version = "0.4.4" }
+tokio = { features = ["rt-multi-thread", "macros"] , workspace = true, default-features = true }
+tokio-test = { workspace = true, default-features = true }
 any_spawner = { workspace = true, features = ["futures-executor", "tokio"] }
 reactive_graph = { workspace = true, features = ["effects"] }
 leptos = { path = "../leptos", features = ["csr"] }

reactive_stores/README.md

@@ -5,7 +5,7 @@ Stores are a data structure for nested reactivity.
 The [`reactive_graph`](https://crates.io/crates/reactive_graph) crate provides primitives for fine-grained reactivity
 via signals, memos, and effects.
 
-This crate extends that reactivity to support reactive access to nested dested, without the need to create nested signals.
+This crate extends that reactivity to support reactive access to nested structs, without the need to create nested signals.
 
 Using the `#[derive(Store)]` macro on a struct creates a series of getters that allow accessing each field. Individual fields 
 can then be read as if they were signals. Changes to parents will notify their children, but changing one sibling field will  

reactive_stores/src/deref.rs

@@ -39,7 +39,7 @@ where
     #[track_caller]
     fn deref_field(self) -> DerefedField<Self> {
         DerefedField {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: Location::caller(),
             inner: self,
         }
@@ -51,7 +51,7 @@ where
 #[derive(Debug, Copy, Clone)]
 pub struct DerefedField<S> {
     inner: S,
-    #[cfg(debug_assertions)]
+    #[cfg(any(debug_assertions, leptos_debuginfo))]
     defined_at: &'static Location<'static>,
 }
 
@@ -92,11 +92,11 @@ where
     <S::Value as Deref>::Target: Sized + 'static,
 {
     fn defined_at(&self) -> Option<&'static Location<'static>> {
-        #[cfg(debug_assertions)]
+        #[cfg(any(debug_assertions, leptos_debuginfo))]
         {
             Some(self.defined_at)
         }
-        #[cfg(not(debug_assertions))]
+        #[cfg(not(any(debug_assertions, leptos_debuginfo)))]
         {
             None
         }

reactive_stores/src/lib.rs

@@ -56,12 +56,12 @@
 //!
 //! # if false { // don't run effect in doctests
 //! Effect::new(move |_| {
-//!     // you can access individual store withs field a getter
+//!     // you can access individual store fields with a getter
 //!     println!("todos: {:?}", &*store.todos().read());
 //! });
 //! # }
 //!
-//! // won't notify the effect that listen to `todos`
+//! // won't notify the effect that listens to `todos`
 //! store.todos().write().push(Todo {
 //!     label: "Test".to_string(),
 //!     completed: false,
@@ -69,7 +69,7 @@
 //! ```
 //! ### Generated traits
 //! The [`Store`](macro@Store) macro generates traits for each `struct` to which it is applied.  When working
-//! within a single file more module, this is not an issue.  However, when working with multiple modules
+//! within a single file or module, this is not an issue.  However, when working with multiple modules
 //! or files, one needs to `use` the generated traits.  The general pattern is that for each `struct`
 //! named `Foo`, the macro generates a trait named `FooStoreFields`.  For example:
 //! ```rust
@@ -140,7 +140,7 @@
 //! # use reactive_stores::Store;
 //! // Needed to use at_unkeyed() on Vec
 //! use reactive_stores::StoreFieldIter;
-//! use crate::reactive_stores::StoreFieldIterator;
+//! use reactive_stores::StoreFieldIterator;
 //! use reactive_graph::traits::Read;
 //! use reactive_graph::traits::Get;
 //!
@@ -608,6 +608,14 @@ where
     }
 }
 
+impl<T, S> PartialEq for Store<T, S> {
+    fn eq(&self, other: &Self) -> bool {
+        self.inner == other.inner
+    }
+}
+
+impl<T, S> Eq for Store<T, S> {}
+
 impl<T> Store<T, LocalStorage>
 where
     T: 'static,
@@ -759,7 +767,7 @@ where
 {
     fn from(value: ArcStore<T>) -> Self {
         Self {
-            #[cfg(debug_assertions)]
+            #[cfg(any(debug_assertions, leptos_debuginfo))]
             defined_at: value.defined_at,
             inner: ArenaItem::new_with_storage(value),
         }

reactive_stores/src/option.rs

@@ -24,7 +24,7 @@ where
     ///
     /// This returns `None` if the subfield is currently `None`,
     /// and a new store subfield with the inner value if it is `Some`. This can be used in some  
-    /// other reactive context, which will cause it to re-run if the field toggles betwen `None`
+    /// other reactive context, which will cause it to re-run if the field toggles between `None`
     /// and `Some(_)`.
     fn map<U>(
         self,

reactive_stores_macro/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "reactive_stores_macro"
-version = "0.2.0-rc3"
+version = "0.2.2"
 authors = ["Greg Johnston"]
 license = "MIT"
 readme = "../README.md"
@@ -13,8 +13,8 @@ edition.workspace = true
 proc-macro = true
 
 [dependencies]
-convert_case = { workspace = true }
-proc-macro-error2 = "2.0"
-proc-macro2 = "1.0"
-quote = "1.0"
-syn = { version = "2.0", features = ["full"] }
+convert_case = { workspace = true , default-features = true }
+proc-macro-error2 = { workspace = true, default-features = true }
+proc-macro2 = { workspace = true, default-features = true }
+quote = { workspace = true, default-features = true }
+syn = { features = ["full"] , workspace = true, default-features = true }

router/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "leptos_router"
-version = "0.8.0-rc3"
+version = "0.8.2"
 authors = ["Greg Johnston", "Ben Wishovich"]
 license = "MIT"
 readme = "../README.md"
@@ -17,19 +17,18 @@ either_of = { workspace = true }
 or_poisoned = { workspace = true }
 reactive_graph = { workspace = true }
 tachys = { workspace = true, features = ["reactive_graph"] }
-futures = "0.3.31"
-url = "2.5"
-js-sys = { version = "0.3.74" }
-wasm-bindgen = { workspace = true }
-tracing = { version = "0.1.41", optional = true }
-once_cell = "1.20"
-send_wrapper = "0.6.0"
-thiserror = { workspace = true }
+futures = { workspace = true, default-features = true }
+url = { workspace = true, default-features = true }
+js-sys = { workspace = true, default-features = true }
+wasm-bindgen = { workspace = true , default-features = true }
+tracing = { optional = true , workspace = true, default-features = true }
+once_cell = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
+thiserror = { workspace = true , default-features = true }
 percent-encoding = { version = "2.3", optional = true }
-gloo-net = "0.6.0"
+gloo-net = { workspace = true, default-features = true }
 
 [dependencies.web-sys]
-version = "0.3.72"
 features = [
   "Document",
   "Window",
@@ -55,9 +54,11 @@ features = [
   "RequestMode",
   "Response",
 ]
+workspace = true
+default-features = true
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 [features]
 tracing = ["dep:tracing"]

router/src/flat_router.rs

@@ -418,7 +418,7 @@ impl RenderHtml for MatchedRoute {
         mark_branches: bool,
         extra_attrs: Vec<AnyAttribute>,
     ) {
-        if mark_branches {
+        if mark_branches && escape {
             buf.open_branch(&self.0);
         }
         self.1.to_html_with_buf(
@@ -428,8 +428,11 @@ impl RenderHtml for MatchedRoute {
             mark_branches,
             extra_attrs,
         );
-        if mark_branches {
+        if mark_branches && escape {
             buf.close_branch(&self.0);
+            if *position == Position::NextChildAfterText {
+                *position = Position::NextChild;
+            }
         }
     }
 
@@ -443,7 +446,7 @@ impl RenderHtml for MatchedRoute {
     ) where
         Self: Sized,
     {
-        if mark_branches {
+        if mark_branches && escape {
             buf.open_branch(&self.0);
         }
         self.1.to_html_async_with_buf::<OUT_OF_ORDER>(
@@ -453,8 +456,11 @@ impl RenderHtml for MatchedRoute {
             mark_branches,
             extra_attrs,
         );
-        if mark_branches {
+        if mark_branches && escape {
             buf.close_branch(&self.0);
+            if *position == Position::NextChildAfterText {
+                *position = Position::NextChild;
+            }
         }
     }
 

router/src/link.rs

@@ -295,7 +295,7 @@ mod tests {
             assert!(!is_active_for("/else/where", "/", f));
             assert!(!is_active_for("/no/where/", "/", f));
 
-            // mismatch either side all cominations of trailing slashes
+            // mismatch either side all combinations of trailing slashes
             assert!(!is_active_for("/level", "/item", f));
             assert!(!is_active_for("/level", "/item/", f));
             assert!(!is_active_for("/level/", "/item", f));
@@ -383,7 +383,7 @@ mod tests {
         //
         // assert!(is_active_for("/", "/item", true));
         //
-        // Perhaps there needs to be a flag such that aria-curently applies only the _same level_, e.g
+        // Perhaps there needs to be a flag such that aria-curent applies only the _same level_, e.g
         // assert!(is_same_level("/", "/"))
         // assert!(is_same_level("/", "/anything"))
         // assert!(!is_same_level("/", "/some/"))

router/src/matching/horizontal/mod.rs

@@ -14,6 +14,22 @@ pub use static_segment::*;
 pub trait PossibleRouteMatch {
     fn optional(&self) -> bool;
 
+    /// Checks if this segment matches beginning of the path
+    ///
+    ///
+    /// # Arguments
+    ///
+    /// * path - unmatched reminder of the path.
+    ///
+    /// # Returns
+    ///
+    /// If segment doesn't match a path then returns `None`. In case of a match returns the
+    /// information about which part of the path was matched.
+    ///
+    /// 1. Paths which are empty `""` or just `"/"` should match.
+    /// 2. If you match just a path `"/"`, you should preserve the starting slash
+    ///    in the [remaining](PartialPathMatch::remaining) part, so other segments which will be
+    ///    tested can detect wherever they are matching from the beginning of the given path segment.
     fn test<'a>(&self, path: &'a str) -> Option<PartialPathMatch<'a>>;
 
     fn generate_path(&self, path: &mut Vec<PathSegment>);

router/src/matching/horizontal/static_segment.rs

@@ -80,6 +80,9 @@ impl<T: AsPath> PossibleRouteMatch for StaticSegment<T> {
             {
                 this.next();
             }
+        } else if !path.is_empty() {
+            // Path must start with `/` otherwise we are not certain about being at the beginning of the segment in the path
+            return None;
         }
 
         for char in test {
@@ -112,9 +115,16 @@ impl<T: AsPath> PossibleRouteMatch for StaticSegment<T> {
         }
 
         // build the match object
-        // the remaining is built from the path in, with the slice moved
-        // by the length of this match
-        let (matched, remaining) = path.split_at(matched_len);
+        let (matched, remaining) = if matched_len == 1 && path.starts_with('/')
+        {
+            // If only thing that matched is `/` we can't eat it, otherwise next invocation of the
+            // test function will not be able to tell that we are matching from the beginning of the path segment
+            ("/", path)
+        } else {
+            // the remaining is built from the path in, with the slice moved
+            // by the length of this match
+            path.split_at(matched_len)
+        };
         has_matched.then(|| PartialPathMatch::new(remaining, vec![], matched))
     }
 
@@ -225,6 +235,17 @@ mod tests {
         assert!(params.is_empty());
     }
 
+    #[test]
+    fn allow_empty_match() {
+        let path = "";
+        let def = StaticSegment("");
+        let matched = def.test(path).expect("couldn't match route");
+        assert_eq!(matched.matched(), "");
+        assert_eq!(matched.remaining(), "");
+        let params = matched.params();
+        assert!(params.is_empty());
+    }
+
     #[test]
     fn tuple_static_mismatch() {
         let path = "/foo/baz";
@@ -239,6 +260,13 @@ mod tests {
         assert!(def.test(path).is_none());
     }
 
+    #[test]
+    fn dont_match_smooshed_segments() {
+        let path = "/foobar";
+        let def = (StaticSegment(Foo), StaticSegment(Bar));
+        assert!(def.test(path).is_none());
+    }
+
     #[test]
     fn arbitrary_nesting_of_tuples_has_no_effect_on_matching() {
         let path = "/foo/bar";

router/src/matching/mod.rs

@@ -120,6 +120,20 @@ pub trait MatchNestedRoutes {
     type Data;
     type Match: MatchInterface + MatchParams;
 
+    /// Matches nested routes
+    ///
+    /// # Arguments
+    ///
+    /// * path - A path which is being navigated to
+    ///
+    /// # Returns
+    ///
+    /// Tuple where
+    ///
+    /// * 0 - If match has been found `Some` containing tuple where
+    ///     * 0 - [RouteMatchId] identifying the matching route
+    ///     * 1 - [Self::Match] matching route
+    /// * 1 - Remaining path
     fn match_nested<'a>(
         &'a self,
         path: &'a str,
@@ -147,7 +161,7 @@ mod tests {
         matching::MatchParams, MatchInterface, PathSegment, StaticSegment,
         WildcardSegment,
     };
-    use either_of::Either;
+    use either_of::{Either, EitherOf4};
 
     #[test]
     pub fn matches_single_root_route() {
@@ -324,12 +338,38 @@ mod tests {
         let params = matched.to_params();
         assert_eq!(params, vec![("any".into(), "foobar".into())]);
     }
+
+    #[test]
+    pub fn dont_match_smooshed_static_segments() {
+        let routes = RouteDefs::<_>::new((
+            NestedRoute::new(StaticSegment(""), || ()),
+            NestedRoute::new(StaticSegment("users"), || ()),
+            NestedRoute::new(
+                (StaticSegment("users"), StaticSegment("id")),
+                || (),
+            ),
+            NestedRoute::new(WildcardSegment("any"), || ()),
+        ));
+
+        let matched = routes.match_route("/users");
+        assert!(matches!(matched, Some(EitherOf4::B(..))));
+
+        let matched = routes.match_route("/users/id");
+        assert!(matches!(matched, Some(EitherOf4::C(..))));
+
+        let matched = routes.match_route("/usersid");
+        assert!(matches!(matched, Some(EitherOf4::D(..))));
+    }
 }
 
+/// Successful result of [testing](PossibleRouteMatch::test) a single segment in the route path
 #[derive(Debug)]
 pub struct PartialPathMatch<'a> {
+    /// unmatched yet part of the path
     pub(crate) remaining: &'a str,
+    /// value of parameters encoded inside of the path
     pub(crate) params: Vec<(Cow<'static, str>, String)>,
+    /// part of the original path that was matched by segment
     pub(crate) matched: &'a str,
 }
 

router/src/nested_router.rs

@@ -473,7 +473,7 @@ where
     }
 }
 
-type OutletViewFn = Box<dyn FnMut() -> Suspend<AnyView> + Send>;
+type OutletViewFn = Box<dyn FnMut(Owner) -> Suspend<AnyView> + Send>;
 
 pub(crate) struct RouteContext {
     id: RouteMatchId,
@@ -624,7 +624,7 @@ where
             params,
             owner: owner.clone(),
             matched,
-            view_fn: Arc::new(Mutex::new(Box::new(|| {
+            view_fn: Arc::new(Mutex::new(Box::new(|_owner| {
                 Suspend::new(Box::pin(async { ().into_any() }))
             }))),
             base: base.clone(),
@@ -645,30 +645,33 @@ where
                     provide_context(url);
                     provide_context(matched.clone());
                     view.preload().await;
-                    *view_fn.lock().or_poisoned() = Box::new(move || {
-                        let view = view.clone();
-                        owner.with({
-                            let matched = matched.clone();
-                            move || {
-                                Suspend::new(Box::pin(async move {
-                                    let view = SendWrapper::new(
-                                        ScopedFuture::new(view.choose()),
-                                    );
-                                    let view = view.await;
-                                    let view = MatchedRoute(
-                                        matched.0.get_untracked(),
-                                        view,
-                                    );
-                                    OwnedView::new(view).into_any()
-                                })
-                                    as Pin<
-                                        Box<
-                                            dyn Future<Output = AnyView> + Send,
-                                        >,
-                                    >)
-                            }
-                        })
-                    });
+                    *view_fn.lock().or_poisoned() =
+                        Box::new(move |owner_where_used| {
+                            owner.join_contexts(&owner_where_used);
+                            let view = view.clone();
+                            owner.with({
+                                let matched = matched.clone();
+                                move || {
+                                    Suspend::new(Box::pin(async move {
+                                        let view = SendWrapper::new(
+                                            ScopedFuture::new(view.choose()),
+                                        );
+                                        let view = view.await;
+                                        let view = MatchedRoute(
+                                            matched.0.get_untracked(),
+                                            view,
+                                        );
+                                        OwnedView::new(view).into_any()
+                                    })
+                                        as Pin<
+                                            Box<
+                                                dyn Future<Output = AnyView>
+                                                    + Send,
+                                            >,
+                                        >)
+                                }
+                            })
+                        });
                     trigger
                 }
             })
@@ -799,7 +802,8 @@ where
                                 provide_context(matched);
                                 view.preload().await;
                                 *view_fn.lock().or_poisoned() =
-                                    Box::new(move || {
+                                    Box::new(move |owner_where_used| {
+                                        owner.join_contexts(&owner_where_used);
                                         let owner = owner.clone();
                                         let view = view.clone();
                                         let full_tx =
@@ -921,6 +925,6 @@ where
         } = ctx;
         trigger.track();
         let mut view_fn = view_fn.lock().or_poisoned();
-        view_fn()
+        view_fn(Owner::current().unwrap())
     }
 }

router/src/ssr_mode.rs

@@ -33,10 +33,9 @@ pub enum SsrMode {
     ///     - *Cons*: Requires JS for suspended fragments to appear in correct order. Weaker meta tag support when it depends on data that's under suspense (has already streamed down `<head>`)
     #[default]
     OutOfOrder,
-    /// **In-order streaming** (`InOrder`): Walk through the tree, returning HTML synchronously as in synchronous rendering and out-of-order streaming until you hit a `Suspense`. At that point, wait for all its data to load, then render it, then the rest of the tree.
-    ///     - *Pros*: Does not require JS for HTML to appear in correct order.
-    ///     - *Cons*: Loads the shell more slowly than out-of-order streaming or synchronous rendering because it needs to pause at every `Suspense`. Cannot begin hydration until the entire page has loaded, so earlier pieces
-    ///       of the page will not be interactive until the suspended chunks have loaded.
+    /// **Partially-blocked out-of-order streaming** (`PartiallyBlocked`): Using `create_blocking_resource` with out-of-order streaming still sends fallbacks and relies on JavaScript to fill them in with the fragments. Partially-blocked streaming does this replacement on the server, making for a slower response but requiring no JavaScript to show blocking resources.
+    ///     - *Pros*: Works better if JS is disabled.
+    ///     - *Cons*: Slower initial response because of additional string manipulation on server.
     PartiallyBlocked,
     /// **In-order streaming** (`InOrder`): Walk through the tree, returning HTML synchronously as in synchronous rendering and out-of-order streaming until you hit a `Suspense`. At that point, wait for all its data to load, then render it, then the rest of the tree.
     ///     - *Pros*: Does not require JS for HTML to appear in correct order.

router_macro/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "leptos_router_macro"
-version = "0.8.0-rc3"
+version = "0.8.2"
 authors = ["Greg Johnston", "Ben Wishovich"]
 license = "MIT"
 readme = "../README.md"
@@ -13,10 +13,10 @@ edition.workspace = true
 proc-macro = true
 
 [dependencies]
-proc-macro-error2 = { version = "2.0", default-features = false }
-proc-macro2 = "1.0"
-quote = "1.0"
-syn = { version = "2.0", features = ["full"] }
+proc-macro-error2 = { default-features = false , workspace = true }
+proc-macro2 = { workspace = true, default-features = true }
+quote = { workspace = true, default-features = true }
+syn = { features = ["full"] , workspace = true, default-features = true }
 
 [dev-dependencies]
 leptos_router = { path = "../router" }

server_fn/Cargo.toml

@@ -13,77 +13,86 @@ edition.workspace = true
 throw_error = { workspace = true }
 server_fn_macro_default = { workspace = true }
 # used for hashing paths in #[server] macro
-const_format = "0.2.33"
+const_format = { workspace = true, default-features = true }
 const-str = "0.6.2"
-xxhash-rust = { version = "0.8.12", features = ["const_xxh64"] }
-rustversion = { workspace = true}
+rustversion = "1.0"
+xxhash-rust = { features = [
+  "const_xxh64",
+], workspace = true, default-features = true }
 # used across multiple features
-serde = { version = "1.0", features = ["derive"] }
-send_wrapper = { version = "0.6.0", features = ["futures"], optional = true }
-thiserror = { workspace = true }
+serde = { features = ["derive"], workspace = true, default-features = true }
+send_wrapper = { features = [
+  "futures",
+], optional = true, workspace = true, default-features = true }
+thiserror = { workspace = true, default-features = true }
 
 # registration system
-inventory = { version = "0.3.15", optional = true }
-dashmap = "6.1"
-once_cell = "1.20"
+inventory = { version = "0.3.20", optional = true }
+dashmap = { workspace = true, default-features = true }
+once_cell = { workspace = true, default-features = true }
 
 ## servers
 # actix
-actix-web = { version = "4.9", optional = true }
+actix-web = { optional = true, workspace = true, default-features = true }
 actix-ws = { version = "0.3.0", optional = true }
 
 # axum
-axum = { version = "0.8.1", optional = true, default-features = false, features = [
+axum = { optional = true, default-features = false, features = [
   "multipart",
-] }
-tower = { version = "0.5.1", optional = true }
+], workspace = true }
+tower = { optional = true, workspace = true, default-features = true }
 tower-layer = { version = "0.3.3", optional = true }
 
 ## input encodings
-serde_qs = { version = "0.14.0" }
+serde_qs = { workspace = true, default-features = true }
 multer = { version = "3.1", optional = true }
 
 ## output encodings
 # serde
-serde_json = { workspace = true }
+serde_json = { workspace = true, default-features = true }
 serde-lite = { version = "0.5.0", features = ["derive"], optional = true }
-futures = "0.3.31"
-http = { version = "1.1" }
+futures = { workspace = true, default-features = true }
+http = { version = "1.3" }
 ciborium = { version = "0.2.2", optional = true }
 postcard = { version = "1", features = ["alloc"], optional = true }
-hyper = { version = "1.5", optional = true }
-bytes = "1.9"
-http-body-util = { version = "0.1.2", optional = true }
-rkyv = { version = "0.8.9", optional = true }
+hyper = { version = "1.6", optional = true }
+bytes = "1.10"
+http-body-util = { version = "0.1.3", optional = true }
+rkyv = { version = "0.8.10", optional = true }
 rmp-serde = { version = "1.3.0", optional = true }
-base64 = { version = "0.22.1" }
+base64 = { workspace = true, default-features = true }
 
 # client
-gloo-net = { version = "0.6.0", optional = true }
-js-sys = { version = "0.3.74", optional = true }
-wasm-bindgen = { workspace = true, optional = true }
-wasm-bindgen-futures = { version = "0.4.50", optional = true }
+gloo-net = { optional = true, workspace = true, default-features = true }
+js-sys = { optional = true, workspace = true, default-features = true }
+wasm-bindgen = { workspace = true, optional = true, default-features = true }
+wasm-bindgen-futures = { optional = true, workspace = true, default-features = true }
 wasm-streams = { version = "0.4.2", optional = true }
-web-sys = { version = "0.3.72", optional = true, features = [
+web-sys = { optional = true, features = [
   "console",
   "ReadableStream",
   "ReadableStreamDefaultReader",
   "AbortController",
   "AbortSignal",
-] }
+], workspace = true, default-features = true }
 
 # reqwest client
-reqwest = { version = "0.12.9", default-features = false, optional = true, features = [
+reqwest = { version = "0.12.15", default-features = false, optional = true, features = [
   "multipart",
   "stream",
 ] }
 tokio-tungstenite = { version = "0.26.2", optional = true }
-url = "2"
-pin-project-lite = "0.2.15"
-tokio = { version = "1.43.0", features = ["rt"], optional = true }
+url = { workspace = true, default-features = true }
+pin-project-lite = { workspace = true, default-features = true }
+tokio = { features = [
+  "rt",
+], optional = true, workspace = true, default-features = true }
+
+[build-dependencies]
+rustc_version = { workspace = true, default-features = true }
 
 [dev-dependencies]
-trybuild = { workspace = true }
+trybuild = { workspace = true, default-features = true }
 
 [features]
 axum-no-default = [
@@ -238,4 +247,7 @@ skip_feature_sets = [
 max_combination_size = 2
 
 [lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(leptos_debuginfo)'] }
+unexpected_cfgs = { level = "warn", check-cfg = [
+  'cfg(leptos_debuginfo)',
+  'cfg(rustc_nightly)',
+] }

server_fn/build.rs

@@ -0,0 +1,8 @@
+use rustc_version::{version_meta, Channel};
+
+fn main() {
+    // Set cfg flags depending on release channel
+    if matches!(version_meta().unwrap().channel, Channel::Nightly) {
+        println!("cargo:rustc-cfg=rustc_nightly");
+    }
+}

server_fn/server_fn_macro_default/Cargo.toml

@@ -11,7 +11,7 @@ edition.workspace = true
 proc-macro = true
 
 [dependencies]
-syn = { version = "2.0" }
+syn = { workspace = true, default-features = true }
 server_fn_macro = { workspace = true }
 
 [features]

server_fn/tests/invalid/empty_return.stderr

@@ -16,11 +16,11 @@ error[E0271]: expected `impl Future<Output = ()>` to be a future that resolves t
   |
   = note:   expected enum `Result<_, _>`
           found unit type `()`
-note: required by a bound in `ServerFn::{synthetic#0}`
+note: required by a bound in `ServerFn::{anon_assoc#0}`
  --> src/lib.rs
   |
   |     ) -> impl Future<Output = Result<Self::Output, Self::Error>> + Send;
-  |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ServerFn::{synthetic#0}`
+  |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ServerFn::{anon_assoc#0}`
 
 error[E0277]: () is not a `Result` or aliased `Result`. Server functions must return a `Result` or aliased `Result`.
  --> tests/invalid/empty_return.rs:3:1

server_fn/tests/invalid/not_result.stderr

@@ -16,11 +16,11 @@ error[E0271]: expected `impl Future<Output = CustomError>` to be a future that r
    |
    = note: expected enum `Result<_, _>`
               found enum `CustomError`
-note: required by a bound in `ServerFn::{synthetic#0}`
+note: required by a bound in `ServerFn::{anon_assoc#0}`
   --> src/lib.rs
    |
    |     ) -> impl Future<Output = Result<Self::Output, Self::Error>> + Send;
-   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ServerFn::{synthetic#0}`
+   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ServerFn::{anon_assoc#0}`
 
 error[E0277]: CustomError is not a `Result` or aliased `Result`. Server functions must return a `Result` or aliased `Result`.
   --> tests/invalid/not_result.rs:25:1

server_fn/tests/server_macro.rs

@@ -1,8 +1,9 @@
-// The trybuild output has slightly different error message ouptut for
+// The trybuild output has slightly different error message output for
 // different combinations of features. Since tests are run with `test-all-features`
 // multiple combinations of features are tested. This ensures this file is only
 // run when **only** the browser feature is enabled.
 #![cfg(all(
+    rustc_nightly,
     feature = "browser",
     not(any(
         feature = "postcard",

server_fn_macro/Cargo.toml

@@ -9,16 +9,16 @@ version = { workspace = true }
 edition.workspace = true
 
 [dependencies]
-quote = "1.0"
-syn = { version = "2.0", features = ["full", "parsing", "extra-traits"] }
-proc-macro2 = "1.0"
-xxhash-rust = { version = "0.8.12", features = ["const_xxh64"] }
-const_format = "0.2.33"
-convert_case = { workspace = true }
+quote = { workspace = true, default-features = true }
+syn = { features = ["full", "parsing", "extra-traits"] , workspace = true, default-features = true }
+proc-macro2 = { workspace = true, default-features = true }
+xxhash-rust = { features = ["const_xxh64"] , workspace = true, default-features = true }
+const_format = { workspace = true, default-features = true }
+convert_case = { workspace = true , default-features = true }
 
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 
 [features]

server_fn_macro/src/lib.rs

@@ -645,7 +645,7 @@ impl ServerFnCall {
             quote! {
                 vec![
                     #(
-                        std::sync::Arc::new(#middlewares),
+                        std::sync::Arc::new(#middlewares)
                     ),*
                 ]
             }

tachys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tachys"
-version = "0.2.0-rc3"
+version = "0.2.3"
 authors = ["Greg Johnston"]
 license = "MIT"
 readme = "../README.md"
@@ -18,16 +18,16 @@ next_tuple = { workspace = true }
 or_poisoned = { workspace = true }
 reactive_graph = { workspace = true, optional = true }
 reactive_stores = { workspace = true, optional = true }
-slotmap = { version = "1.0", optional = true }
+slotmap = { optional = true, workspace = true, default-features = true }
 oco_ref = { workspace = true, optional = true }
-async-trait = "0.1.81"
-once_cell = "1.20"
-paste = "1.0"
+async-trait = "0.1.88"
+once_cell = { workspace = true, default-features = true }
+paste = { workspace = true, default-features = true }
 erased = "0.1.2"
-wasm-bindgen = { workspace = true }
-html-escape = "0.2.13"
-js-sys = "0.3.74"
-web-sys = { version = "0.3.72", features = [
+wasm-bindgen = { workspace = true, default-features = true }
+html-escape = { workspace = true, default-features = true }
+js-sys = { workspace = true, default-features = true }
+web-sys = { features = [
   "Window",
   "Document",
   "HtmlElement",
@@ -148,29 +148,32 @@ web-sys = { version = "0.3.72", features = [
   "HtmlSlotElement",
   "HtmlTemplateElement",
   "HtmlOptionElement",
-] }
+], workspace = true, default-features = true }
 drain_filter_polyfill = "0.1.3"
-indexmap = "2.6"
-rustc-hash = "2.0"
-futures = "0.3.31"
-parking_lot = "0.12.3"
-itertools = { workspace = true }
-send_wrapper = "0.6.0"
+indexmap = { workspace = true, default-features = true }
+rustc-hash = { workspace = true, default-features = true }
+futures = { workspace = true, default-features = true }
+parking_lot = { workspace = true, default-features = true }
+itertools = { workspace = true, default-features = true }
+send_wrapper = { workspace = true, default-features = true }
 linear-map = "1.2"
 sledgehammer_bindgen = { version = "0.6.0", features = [
   "web",
 ], optional = true }
 sledgehammer_utils = { version = "0.3.1", optional = true }
-tracing = { version = "0.1.41", optional = true }
-serde = { version = "1", optional = true }
-serde_json = { version = "1", optional = true }
+tracing = { optional = true, workspace = true, default-features = true }
+serde = { optional = true, workspace = true, default-features = true }
+serde_json = { optional = true, workspace = true, default-features = true }
 
 [dev-dependencies]
-tokio-test = "0.4.4"
-tokio = { version = "1.43", features = ["rt", "macros"] }
+tokio-test = { workspace = true, default-features = true }
+tokio = { features = [
+  "rt",
+  "macros",
+], workspace = true, default-features = true }
 
 [build-dependencies]
-rustc_version = "0.4.1"
+rustc_version = { workspace = true, default-features = true }
 
 [features]
 default = ["testing"]
@@ -186,6 +189,7 @@ reactive_graph = ["dep:reactive_graph", "dep:any_spawner"]
 reactive_stores = ["reactive_graph", "dep:reactive_stores"]
 sledgehammer = ["dep:sledgehammer_bindgen", "dep:sledgehammer_utils"]
 tracing = ["dep:tracing"]
+mark_branches = []
 
 [package.metadata.cargo-all-features]
 denylist = ["tracing", "sledgehammer"]

tachys/src/html/attribute/custom.rs

@@ -10,7 +10,7 @@ use crate::{
 };
 use std::{borrow::Cow, sync::Arc};
 
-/// Adds a custom attribute with any key-value combintion.
+/// Adds a custom attribute with any key-value combination.
 #[inline(always)]
 pub fn custom_attribute<K, V>(key: K, value: V) -> CustomAttr<K, V>
 where

tachys/src/html/attribute/value.rs

@@ -202,6 +202,71 @@ impl<'a> AttributeValue for &'a str {
     }
 }
 
+impl<'a> AttributeValue for Cow<'a, str> {
+    type State = (crate::renderer::types::Element, Self);
+    type AsyncOutput = Self;
+    type Cloneable = Arc<str>;
+    type CloneableOwned = Arc<str>;
+
+    fn html_len(&self) -> usize {
+        self.len()
+    }
+
+    fn to_html(self, key: &str, buf: &mut String) {
+        buf.push(' ');
+        buf.push_str(key);
+        buf.push_str("=\"");
+        buf.push_str(&escape_attr(&self));
+        buf.push('"');
+    }
+
+    fn to_template(_key: &str, _buf: &mut String) {}
+
+    fn hydrate<const FROM_SERVER: bool>(
+        self,
+        key: &str,
+        el: &crate::renderer::types::Element,
+    ) -> Self::State {
+        // if we're actually hydrating from SSRed HTML, we don't need to set the attribute
+        // if we're hydrating from a CSR-cloned <template>, we do need to set non-StaticAttr attributes
+        if !FROM_SERVER {
+            Rndr::set_attribute(el, key, &self);
+        }
+        (el.clone(), self)
+    }
+
+    fn build(
+        self,
+        el: &crate::renderer::types::Element,
+        key: &str,
+    ) -> Self::State {
+        Rndr::set_attribute(el, key, &self);
+        (el.to_owned(), self)
+    }
+
+    fn rebuild(self, key: &str, state: &mut Self::State) {
+        let (el, prev_value) = state;
+        if self != *prev_value {
+            Rndr::set_attribute(el, key, &self);
+        }
+        *prev_value = self;
+    }
+
+    fn into_cloneable(self) -> Self::Cloneable {
+        self.into()
+    }
+
+    fn into_cloneable_owned(self) -> Self::CloneableOwned {
+        self.into()
+    }
+
+    fn dry_resolve(&mut self) {}
+
+    async fn resolve(self) -> Self::AsyncOutput {
+        self
+    }
+}
+
 #[cfg(all(feature = "nightly", rustc_nightly))]
 impl<const V: &'static str> AttributeValue
     for crate::view::static_types::Static<V>

tachys/src/html/class.rs

@@ -473,7 +473,7 @@ impl IntoClass for Arc<str> {
 
     fn rebuild(self, state: &mut Self::State) {
         let (el, prev) = state;
-        if !Arc::ptr_eq(&self, prev) {
+        if self != *prev {
             Rndr::set_attribute(el, "class", &self);
         }
         *prev = self;

tachys/src/html/element/inner_html.rs

@@ -292,7 +292,7 @@ impl InnerHtmlValue for Arc<str> {
     }
 
     fn rebuild(self, state: &mut Self::State) {
-        if !Arc::ptr_eq(&self, &state.1) {
+        if self != state.1 {
             Rndr::set_inner_html(&state.0, &self);
             state.1 = self;
         }

tachys/src/html/element/mod.rs

@@ -329,7 +329,6 @@ where
     fn build(self) -> Self::State {
         let el = Rndr::create_element(self.tag.tag(), E::NAMESPACE);
 
-        let attrs = self.attributes.build(&el);
         let children = if E::SELF_CLOSING {
             None
         } else {
@@ -337,6 +336,9 @@ where
             children.mount(&el, None);
             Some(children)
         };
+
+        let attrs = self.attributes.build(&el);
+
         ElementState {
             el,
             attrs,
@@ -638,6 +640,14 @@ impl<At, Ch> Mountable for ElementState<At, Ch> {
         Rndr::insert_node(parent, self.el.as_ref(), marker);
     }
 
+    fn try_mount(
+        &mut self,
+        parent: &crate::renderer::types::Element,
+        marker: Option<&crate::renderer::types::Node>,
+    ) -> bool {
+        Rndr::try_insert_node(parent, self.el.as_ref(), marker)
+    }
+
     fn insert_before_this(&self, child: &mut dyn Mountable) -> bool {
         if let Some(parent) = Rndr::get_parent(self.el.as_ref()) {
             if let Some(element) =

tachys/src/html/islands.rs

@@ -8,6 +8,7 @@ use crate::{
 
 /// An island of interactivity in an otherwise-inert HTML document.
 pub struct Island<View> {
+    has_element_representation: bool,
     component: &'static str,
     props_json: String,
     view: View,
@@ -19,6 +20,8 @@ impl<View> Island<View> {
     /// Creates a new island with the given component name.
     pub fn new(component: &'static str, view: View) -> Self {
         Island {
+            has_element_representation:
+                Self::should_have_element_representation(),
             component,
             props_json: String::new(),
             view,
@@ -51,6 +54,21 @@ impl<View> Island<View> {
         buf.push_str(ISLAND_TAG);
         buf.push('>');
     }
+
+    /// Whether this island should be represented by an actual HTML element
+    fn should_have_element_representation() -> bool {
+        #[cfg(feature = "reactive_graph")]
+        {
+            use reactive_graph::owner::{use_context, IsHydrating};
+            let already_hydrating =
+                use_context::<IsHydrating>().map(|h| h.0).unwrap_or(false);
+            !already_hydrating
+        }
+        #[cfg(not(feature = "reactive_graph"))]
+        {
+            true
+        }
+    }
 }
 
 impl<View> Render for Island<View>
@@ -83,11 +101,13 @@ where
         Self::Output<NewAttr>: RenderHtml,
     {
         let Island {
+            has_element_representation,
             component,
             props_json,
             view,
         } = self;
         Island {
+            has_element_representation,
             component,
             props_json,
             view: view.add_any_attr(attr),
@@ -114,11 +134,13 @@ where
 
     async fn resolve(self) -> Self::AsyncOutput {
         let Island {
+            has_element_representation,
             component,
             props_json,
             view,
         } = self;
         Island {
+            has_element_representation,
             component,
             props_json,
             view: view.resolve().await,
@@ -133,7 +155,10 @@ where
         mark_branches: bool,
         extra_attrs: Vec<AnyAttribute>,
     ) {
-        Self::open_tag(self.component, &self.props_json, buf);
+        let has_element = self.has_element_representation;
+        if has_element {
+            Self::open_tag(self.component, &self.props_json, buf);
+        }
         self.view.to_html_with_buf(
             buf,
             position,
@@ -141,7 +166,9 @@ where
             mark_branches,
             extra_attrs,
         );
-        Self::close_tag(buf);
+        if has_element {
+            Self::close_tag(buf);
+        }
     }
 
     fn to_html_async_with_buf<const OUT_OF_ORDER: bool>(
@@ -154,9 +181,12 @@ where
     ) where
         Self: Sized,
     {
+        let has_element = self.has_element_representation;
         // insert the opening tag synchronously
         let mut tag = String::new();
-        Self::open_tag(self.component, &self.props_json, &mut tag);
+        if has_element {
+            Self::open_tag(self.component, &self.props_json, &mut tag);
+        }
         buf.push_sync(&tag);
 
         // streaming render for the view
@@ -170,7 +200,9 @@ where
 
         // and insert the closing tag synchronously
         tag.clear();
-        Self::close_tag(&mut tag);
+        if has_element {
+            Self::close_tag(&mut tag);
+        }
         buf.push_sync(&tag);
     }
 
@@ -179,18 +211,21 @@ where
         cursor: &Cursor,
         position: &PositionState,
     ) -> Self::State {
-        if position.get() == Position::FirstChild {
-            cursor.child();
-        } else if position.get() == Position::NextChild {
-            cursor.sibling();
+        if self.has_element_representation {
+            if position.get() == Position::FirstChild {
+                cursor.child();
+            } else if position.get() == Position::NextChild {
+                cursor.sibling();
+            }
+            position.set(Position::FirstChild);
         }
-        position.set(Position::FirstChild);
 
         self.view.hydrate::<FROM_SERVER>(cursor, position)
     }
 
     fn into_owned(self) -> Self::Owned {
         Island {
+            has_element_representation: self.has_element_representation,
             component: self.component,
             props_json: self.props_json,
             view: self.view.into_owned(),
@@ -358,6 +393,7 @@ where
         } else if curr_position != Position::Current {
             cursor.sibling();
         }
+        position.set(Position::NextChild);
 
         if let Some(on_hydrate) = self.on_hydrate {
             use crate::{