Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision a171a54b5b8f335722cb3a8a99174d28b8a898cb)
+++ introduction/welcome/changelog.xml	(revision 27cc55e9eebbd84d16c49e5bb23de8f4e3821ff1)
@@ -46,4 +46,16 @@
       <itemizedlist>
         <listitem>
+          <para>[renodr] - Update to ghostscript-9.55.0. Fixes
+          <ulink url="&blfs-ticket-root;15622">#15622</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[renodr] - Update to thunderbird-91.2.1 (Security Update). Fixes
+          <ulink url="&blfs-ticket-root;15621">#15621</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[renodr] - Update to seamonkey-2.53.9.1 (Security Update). Fixes
+          <ulink url="&blfs-ticket-root;15620">#15620</ulink>.</para>
+        </listitem>
+        <listitem>
           <para>[renodr] - Update to inkscape-1.1.1. Fixes
           <ulink url="&blfs-ticket-root;15619">#15619</ulink>.</para>
Index: packages.ent
===================================================================
--- packages.ent	(revision a171a54b5b8f335722cb3a8a99174d28b8a898cb)
+++ packages.ent	(revision 27cc55e9eebbd84d16c49e5bb23de8f4e3821ff1)
@@ -935,5 +935,5 @@
 <!ENTITY flashplayer-version          "27.0.0.187">
 <!ENTITY qupzilla-version             "2.2.6">
-<!ENTITY seamonkey-version            "2.53.9">
+<!ENTITY seamonkey-version            "2.53.9.1">
 
 <!-- Chapter 41 -->
@@ -957,5 +957,5 @@
 <!ENTITY rox-filer-version            "2.11">
 <!ENTITY rxvt-unicode-version         "9.26">
-<!ENTITY thunderbird-version          "91.1.1">
+<!ENTITY thunderbird-version          "91.2.1">
 <!ENTITY tigervnc-version             "1.11.0">
 <!ENTITY transmission-version         "3.00">
@@ -1066,6 +1066,6 @@
 <!ENTITY cups-version                 "2.3.3op2">
 <!ENTITY cups-filters-version         "1.28.10">
-<!ENTITY gs-version                   "9.54.0">
-<!ENTITY gs-packver                   "9540">
+<!ENTITY gs-version                   "9.55.0">
+<!ENTITY gs-packver                   "9550">
 <!ENTITY gutenprint-version           "5.3.3">
 
Index: pst/printing/gs.xml
===================================================================
--- pst/printing/gs.xml	(revision a171a54b5b8f335722cb3a8a99174d28b8a898cb)
+++ pst/printing/gs.xml	(revision 27cc55e9eebbd84d16c49e5bb23de8f4e3821ff1)
@@ -10,8 +10,8 @@
   "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs&gs-packver;/ghostscript-&gs-version;.tar.xz">
   <!ENTITY gs-download-ftp  " ">
-  <!ENTITY gs-md5sum        "72535d31018129a1a8ff636a47ba1f92">
-  <!ENTITY gs-size          "53 MB">
-  <!ENTITY gs-buildsize     "342 MB (with fonts and libgs.so)">
-  <!ENTITY gs-time          "1.8 SBU (Using parallelism=4; with libgs.so)">
+  <!ENTITY gs-md5sum        "92aa46e75c4f32eb11d9c975053d876c">
+  <!ENTITY gs-size          "64 MB">
+  <!ENTITY gs-buildsize     "360 MB (with fonts and libgs.so)">
+  <!ENTITY gs-time          "2.5 SBU (Using parallelism=4; with libgs.so)">
 
   <!ENTITY gs-standard-fonts-download
@@ -84,7 +84,8 @@
     </itemizedlist>
 
+    <!--
     <bridgehead renderas="sect3">Additional Downloads</bridgehead>
-<!-- Commenting this out since it's no longer needed, but keeping it for the
-         inevitable next time that we need a patch for this package. -->
+         Commenting this out since it's no longer needed, but keeping it for the
+         inevitable next time that we need a patch for this package.
     <itemizedlist spacing="compact">
       <listitem>
@@ -95,4 +96,5 @@
       </listitem>
     </itemizedlist>
+    -->
 
     <para>
@@ -199,4 +201,5 @@
 <screen><userinput>rm -rf freetype lcms2mt jpeg libpng openjpeg</userinput></screen>
 
+<!--
     <para>
       Apply a patch to prevent a segfault when processing some PDF files and
@@ -205,4 +208,11 @@
 
 <screen><userinput remap="pre">patch -Np1 -i ../ghostscript-&gs-version;-upstream_fix-2.patch</userinput></screen>
+-->
+
+    <para>
+      Fix a build failure due to a typo in a source file:
+    </para>
+
+<screen><userinput remap="pre">sed -i 's/gscms_transformm_color_const/gscms_transform_color_const/' base/gsicc_lcms2.c</userinput></screen>
 
     <para>
Index: xsoft/graphweb/seamonkey.xml
===================================================================
--- xsoft/graphweb/seamonkey.xml	(revision a171a54b5b8f335722cb3a8a99174d28b8a898cb)
+++ xsoft/graphweb/seamonkey.xml	(revision 27cc55e9eebbd84d16c49e5bb23de8f4e3821ff1)
@@ -7,8 +7,8 @@
   <!ENTITY seamonkey-download-http "&mozilla-http;/seamonkey/releases/&seamonkey-version;/source/seamonkey-&seamonkey-version;.source.tar.xz">
   <!ENTITY seamonkey-download-ftp " ">
-  <!ENTITY seamonkey-md5sum        "f36c532bbd9c6903036aa02e9a40246b">
+  <!ENTITY seamonkey-md5sum        "70e06d388eb796dc0f8b847794eabea0">
   <!ENTITY seamonkey-size          "272 MB">
-  <!ENTITY seamonkey-buildsize     "6.1 GB (159 MB installed)">
-  <!ENTITY seamonkey-time          "21 SBU (with parallelism=4)">
+  <!ENTITY seamonkey-buildsize     "6.1 GB (161 MB installed)">
+  <!ENTITY seamonkey-time          "19 SBU (with parallelism=4)">
 ]>
 
Index: xsoft/other/thunderbird.xml
===================================================================
--- xsoft/other/thunderbird.xml	(revision a171a54b5b8f335722cb3a8a99174d28b8a898cb)
+++ xsoft/other/thunderbird.xml	(revision 27cc55e9eebbd84d16c49e5bb23de8f4e3821ff1)
@@ -7,8 +7,8 @@
   <!ENTITY thunderbird-download-http "&mozilla-http;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.xz">
   <!ENTITY thunderbird-download-ftp  " ">
-  <!ENTITY thunderbird-md5sum        "69225a7fafca53680bd6a9f1e0eb0ae1">
-  <!ENTITY thunderbird-size          "383 MB">
+  <!ENTITY thunderbird-md5sum        "cc7b08841a4c417cadb0753db9d1f6a5">
+  <!ENTITY thunderbird-size          "387 MB">
   <!ENTITY thunderbird-buildsize     "6.9 GB (202 MB installed)">
-  <!ENTITY thunderbird-time          "27 SBU (on a 4-core machine)">
+  <!ENTITY thunderbird-time          "30 SBU (on a 4-core machine)">
   <!-- Removed the -j1 time because python and rust do not obey it, although
        the C/C++ code appears to obey it -->
