diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 11266b470..ab649694e 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -40,6 +40,52 @@
     appropriate for the entry or if needed the entire day's listitem.
     -->
 
+    <listitem>
+      <para>2026-04-01</para>
+      <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Update to XML-Parser-2.54 (Security update). Fixes (again)
+          <ulink url='&lfs-ticket-root;5892'>#5892</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to vim-9.1.0272. Addresses
+          <ulink url='&lfs-ticket-root;4500'>#4500</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to systemd-260.1. Fixes
+          <ulink url='&lfs-ticket-root;5890'>#5890</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to perl-5.42.2. Fixes
+          <ulink url='&lfs-ticket-root;5898'>#5898</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to mpc-1.4.0. Fixes
+          <ulink url='&lfs-ticket-root;5894'>#5894</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to meson-1.10.2. Fixes
+          <ulink url='&lfs-ticket-root;5889'>#5889</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to linux-6.19.10. Fixes
+          <ulink url='&lfs-ticket-root;5893'>#5893</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to iana-etc-20260327. Addresses
+          <ulink url='&lfs-ticket-root;5006'>#5006</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to groff-1.24.1. Fixes
+          <ulink url='&lfs-ticket-root;5888'>#5888</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to autoconf-2.73. Fixes
+          <ulink url='&lfs-ticket-root;5897'>#5897</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2026-03-26</para>
       <itemizedlist>
diff --git a/chapter01/whatsnew.xml b/chapter01/whatsnew.xml
index 0486141f8..763df5eb2 100644
--- a/chapter01/whatsnew.xml
+++ b/chapter01/whatsnew.xml
@@ -32,9 +32,9 @@
     <!--<listitem>
       <para>Attr-&attr-version;</para>
     </listitem>-->
-    <!--<listitem>
+    <listitem>
       <para>Autoconf-&autoconf-version;</para>
-    </listitem>-->
+    </listitem>
     <!--<listitem>
       <para>Automake-&automake-version;</para>
     </listitem>-->
@@ -185,12 +185,12 @@
     <!--<listitem>
       <para>MarkupSafe-&markupsafe-version;</para>
     </listitem>-->
-    <!--<listitem>
+    <listitem>
       <para>Meson-&meson-version;</para>
-    </listitem>-->
-    <!--<listitem>
+    </listitem>
+    <listitem>
       <para>MPC-&mpc-version;</para>
-    </listitem>-->
+    </listitem>
     <!--<listitem>
       <para>MPFR-&mpfr-version;</para>
     </listitem>-->
diff --git a/chapter05/gcc-pass1.xml b/chapter05/gcc-pass1.xml
index a5aa62e45..8da5617ed 100644
--- a/chapter05/gcc-pass1.xml
+++ b/chapter05/gcc-pass1.xml
@@ -59,7 +59,7 @@
 mv -v mpfr-&mpfr-version; mpfr
 tar -xf ../gmp-&gmp-version;.tar.xz
 mv -v gmp-&gmp-version; gmp
-tar -xf ../mpc-&mpc-version;.tar.gz
+tar -xf ../mpc-&mpc-version;.tar.xz
 mv -v mpc-&mpc-version; mpc</userinput></screen>
 
     <para>On x86_64 hosts, set the default directory name for
diff --git a/chapter06/gcc-pass2.xml b/chapter06/gcc-pass2.xml
index d02ff5457..89b2bc33e 100644
--- a/chapter06/gcc-pass2.xml
+++ b/chapter06/gcc-pass2.xml
@@ -50,7 +50,7 @@
 mv -v mpfr-&mpfr-version; mpfr
 tar -xf ../gmp-&gmp-version;.tar.xz
 mv -v gmp-&gmp-version; gmp
-tar -xf ../mpc-&mpc-version;.tar.gz
+tar -xf ../mpc-&mpc-version;.tar.xz
 mv -v mpc-&mpc-version; mpc</userinput></screen>
 
     <para>If you are building on x86_64, change the default directory name for
diff --git a/chapter08/groff.xml b/chapter08/groff.xml
index 7399bee21..f7d6442df 100644
--- a/chapter08/groff.xml
+++ b/chapter08/groff.xml
@@ -61,6 +61,8 @@
 
 <screen><userinput remap="test">make check</userinput></screen>
 
+    <para>One test, neqn-smoke-test.sh, is known to fail.</para>
+
     <para>Install the package:</para>
 
 <screen><userinput remap="install">make install</userinput></screen>
diff --git a/chapter08/vim.xml b/chapter08/vim.xml
index afcce4cfb..d62a420d8 100644
--- a/chapter08/vim.xml
+++ b/chapter08/vim.xml
@@ -81,8 +81,8 @@ sed '/test_plugin_glvs/d' -i src/testdir/Make_all.mak</userinput></screen>
     we are overriding the <envar>TERM</envar> variable to satisfy some
     assumptions of the test suite).  The problem can be
     avoided by redirecting the output to a log file as shown above.  A
-    successful test will result in the words <computeroutput>ALL
-    DONE</computeroutput> in the log file at completion.</para>
+    successful test will show <computeroutput>FAILED: 0</computeroutput> in the 
+    log file at completion.</para>
 
     <para>Two tests, Test_client_server_stopinsert() and Test_popup_setbuf(), are 
     known to fail on some systems.</para>
diff --git a/packages.ent b/packages.ent
index bb103509f..6836804a8 100644
--- a/packages.ent
+++ b/packages.ent
@@ -29,10 +29,10 @@
 <!ENTITY attr-fin-du "4.1 MB">
 <!ENTITY attr-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY autoconf-version "2.72">
-<!ENTITY autoconf-size "1,360 KB">
+<!ENTITY autoconf-version "2.73">
+<!ENTITY autoconf-size "1,385 KB">
 <!ENTITY autoconf-url "&gnu;autoconf/autoconf-&autoconf-version;.tar.xz">
-<!ENTITY autoconf-md5 "1be79f7106ab6767f18391c5e22be701">
+<!ENTITY autoconf-md5 "9cbad9a116ef845bafeed8e7bc771bf4">
 <!ENTITY autoconf-home "&gnu-software;autoconf/">
 <!ENTITY autoconf-fin-du "25 MB">
 <!ENTITY autoconf-fin-sbu-tests "0.4">
@@ -283,10 +283,10 @@
 <!ENTITY grep-fin-du "48 MB">
 <!ENTITY grep-fin-sbu "0.5 SBU">
 
-<!ENTITY groff-version "1.24.0">
-<!ENTITY groff-size "8,792 KB">
+<!ENTITY groff-version "1.24.1">
+<!ENTITY groff-size "8,795 KB">
 <!ENTITY groff-url "&gnu;groff/groff-&groff-version;.tar.gz">
-<!ENTITY groff-md5 "0087812b25366ebfaeec00bf386384b5">
+<!ENTITY groff-md5 "d9d996af3d05ebab934380be708ea584">
 <!ENTITY groff-home "&gnu-software;groff/">
 <!ENTITY groff-fin-du "108 MB">
 <!ENTITY groff-fin-sbu "0.2 SBU">
@@ -309,10 +309,10 @@
 <!ENTITY gzip-fin-du "21 MB">
 <!ENTITY gzip-fin-sbu "0.1 SBU">
 
-<!ENTITY iana-etc-version "20260306">
-<!ENTITY iana-etc-size "594 KB">
+<!ENTITY iana-etc-version "20260327">
+<!ENTITY iana-etc-size "595 KB">
 <!ENTITY iana-etc-url "https://github.com/Mic92/iana-etc/releases/download/&iana-etc-version;/iana-etc-&iana-etc-version;.tar.gz">
-<!ENTITY iana-etc-md5 "5f5a1a8d3c4545bc796f5252a2140dd7">
+<!ENTITY iana-etc-md5 "1f718e7cf1ff4e6a88d0139094391c53">
 <!ENTITY iana-etc-home "https://www.iana.org/protocols">
 <!ENTITY iana-etc-fin-du "4.8 MB">
 <!ENTITY iana-etc-fin-sbu "less than 0.1 SBU">
@@ -424,12 +424,12 @@
 <!ENTITY linux-major-version "6">
 <!ENTITY linux-minor-version "19">
 <!ENTITY linux-majmin-version "&linux-major-version;.&linux-minor-version;">
-<!ENTITY linux-patch-version "8">
+<!ENTITY linux-patch-version "10">
 <!--<!ENTITY linux-version "&linux-major-version;.&linux-minor-version;">-->
 <!ENTITY linux-version "&linux-major-version;.&linux-minor-version;.&linux-patch-version;">
-<!ENTITY linux-size "152,431 KB">
+<!ENTITY linux-size "152,478 KB">
 <!ENTITY linux-url "&kernel;linux/kernel/v&linux-major-version;.x/linux-&linux-version;.tar.xz">
-<!ENTITY linux-md5 "e23cdbfd397f77f7df9dfab9e2d24ec3">
+<!ENTITY linux-md5 "c8e125047844efc0f0e0286f6c212bac">
 <!ENTITY linux-home "https://www.kernel.org/">
 <!-- measured for 6.10.1 / gcc-14.1.0 on x86_64 with -j4 : 
  minimum is allnoconfig 
@@ -496,18 +496,18 @@
 <!ENTITY markupsafe-fin-du "692 KB">
 <!ENTITY markupsafe-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY meson-version "1.10.1">
-<!ENTITY meson-size "2,358 KB">
+<!ENTITY meson-version "1.10.2">
+<!ENTITY meson-size "2,366 KB">
 <!ENTITY meson-url "&github;/mesonbuild/meson/releases/download/&meson-version;/meson-&meson-version;.tar.gz">
-<!ENTITY meson-md5 "e1c12d275f8aae9fae71dff3d6891746">
+<!ENTITY meson-md5 "4fd98e2e682effec9e0339ea6912e0f9">
 <!ENTITY meson-home "https://mesonbuild.com">
 <!ENTITY meson-fin-du "48 MB">
 <!ENTITY meson-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY mpc-version "1.3.1">
-<!ENTITY mpc-size "756 KB">
-<!ENTITY mpc-url "&gnu;mpc/mpc-&mpc-version;.tar.gz">
-<!ENTITY mpc-md5 "5c9bc658c9fd0f940e8e3e0f09530c62">
+<!ENTITY mpc-version "1.4.0">
+<!ENTITY mpc-size "520 KB">
+<!ENTITY mpc-url "&gnu;mpc/mpc-&mpc-version;.tar.xz">
+<!ENTITY mpc-md5 "fb03c92bfa34632a575e9a42b7ce28be">
 <!ENTITY mpc-home "https://www.multiprecision.org/">
 <!ENTITY mpc-fin-du "22 MB">
 <!ENTITY mpc-fin-sbu "0.1 SBU">
@@ -575,12 +575,12 @@
 
 <!ENTITY perl-version-major "5">
 <!ENTITY perl-version-minor "42">
-<!ENTITY perl-version-patch "1">
+<!ENTITY perl-version-patch "2">
 <!ENTITY perl-version-min "&perl-version-major;.&perl-version-minor;">
 <!ENTITY perl-version "&perl-version-major;.&perl-version-minor;.&perl-version-patch;">
-<!ENTITY perl-size "14,161 KB">
+<!ENTITY perl-size "14,145 KB">
 <!ENTITY perl-url "https://www.cpan.org/src/5.0/perl-&perl-version;.tar.xz">
-<!ENTITY perl-md5 "aea480078218bcc6d6636a622c7d187d">
+<!ENTITY perl-md5 "be6e70b71ec6589fc090f7303c5b3056">
 <!ENTITY perl-home "https://www.perl.org/">
 <!ENTITY perl-tmp-du "295 MB">
 <!ENTITY perl-tmp-sbu "0.6 SBU">
@@ -685,21 +685,21 @@
 <!ENTITY sysklogd-fin-du "3.9 MB">
 <!ENTITY sysklogd-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY systemd-version  "259.5">
+<!ENTITY systemd-version  "260.1">
 <!--<!ENTITY systemd-stable   "6b4878d">-->
 <!-- The above entity is used whenever we move to a stable backport branch. 
      In the event of a critical problem or kernel change that is incompatible, 
      we will switch to the backport branch until the next stable release. -->
-<!ENTITY systemd-size     "16,931 KB">
+<!ENTITY systemd-size     "17,170 KB">
 <!ENTITY systemd-url      "&github;/systemd/systemd/archive/v&systemd-version;/systemd-&systemd-version;.tar.gz">
 <!--<!ENTITY systemd-url      "&anduin-sources;/systemd-&systemd-version;-&systemd-stable;.tar.xz">-->
-<!ENTITY systemd-md5      "6ac65dfbd3c9dc14f3bf4086f83b8aae">
+<!ENTITY systemd-md5      "8a54e8e7736f5a047c990ab570dae7f7">
 <!ENTITY systemd-home     "https://systemd.io">
-<!ENTITY systemd-man-version "259.5">
-<!ENTITY systemd-man-size "771 KB">
+<!ENTITY systemd-man-version "260.1">
+<!ENTITY systemd-man-size "779 KB">
 <!--<!ENTITY systemd-man-url  "&anduin-sources;/systemd-man-pages-&systemd-version;-&systemd-stable;.tar.xz">-->
 <!ENTITY systemd-man-url  "&anduin-sources;/systemd-man-pages-&systemd-man-version;.tar.xz">
-<!ENTITY systemd-man-md5  "4e0e708e5579867d74b02392412b0361">
+<!ENTITY systemd-man-md5  "af471aea346186cc4f7baed6a910aad0">
 <!ENTITY systemd-fin-du   "349 MB">
 <!ENTITY systemd-fin-sbu  "1.1 SBU">
 
@@ -768,9 +768,9 @@
 <!ENTITY util-linux-fin-du "346 MB">
 <!ENTITY util-linux-fin-sbu "0.5 SBU">
 
-<!ENTITY vim-version "9.2.0161">
+<!ENTITY vim-version "9.2.0272">
 <!ENTITY vim-docdir "vim/vim92">
-<!ENTITY vim-size "19,350 KB">
+<!ENTITY vim-size "19,382 KB">
 <!ENTITY vim-url "https://github.com/vim/vim/archive/v&vim-version;/vim-&vim-version;.tar.gz">
 <!-- N.B. LFS 9.0 uses
      https://github.com/vim/vim/archive/v8.1.1846/vim-8.1.1846.tar.gz
@@ -783,7 +783,7 @@
      release.  The "Next" button just sets "after=" in the URL.  For
      example, https://github.com/vim/vim/tags?after=v8.1.1847 will show
      us v8.1.1846. -->
-<!ENTITY vim-md5 "f6369455ad984b867977268fb8503c48">
+<!ENTITY vim-md5 "c6db78eac11e239eced9fcfb71647def">
 <!ENTITY vim-home "https://www.vim.org">
 <!ENTITY vim-fin-du "217 MB">
 <!ENTITY vim-fin-sbu "3.2 SBU">
@@ -796,10 +796,10 @@
 <!ENTITY wheel-fin-du "708 KB">
 <!ENTITY wheel-fin-sbu "less than 0.1 SBU">
 
-<!ENTITY xml-parser-version "2.53">
-<!ENTITY xml-parser-size "313 KB">
+<!ENTITY xml-parser-version "2.54">
+<!ENTITY xml-parser-size "311 KB">
 <!ENTITY xml-parser-url "https://cpan.metacpan.org/authors/id/T/TO/TODDR/XML-Parser-&xml-parser-version;.tar.gz">
-<!ENTITY xml-parser-md5 "2d2b6ffbfd93e09302b61f01b64960fa">
+<!ENTITY xml-parser-md5 "3728514fca7326f2fb16e70ab3e17d84">
 <!ENTITY xml-parser-home "&github;/chorny/XML-Parser">
 <!ENTITY xml-parser-fin-du "2.3 MB">
 <!ENTITY xml-parser-fin-sbu "less than 0.1 SBU">