Index: general.ent
===================================================================
--- general.ent	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ general.ent	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -1,5 +1,5 @@
 <!-- $LastChangedBy$ $Date$ -->
 
-<!ENTITY day          "29">                   <!-- Always 2 digits -->
+<!ENTITY day          "30">                   <!-- Always 2 digits -->
 <!ENTITY month        "08">                   <!-- Always 2 digits -->
 <!ENTITY year         "2019">
@@ -7,5 +7,5 @@
 <!ENTITY copyholder   "The BLFS Development Team">
 <!ENTITY version      "&year;-&month;-&day;">
-<!ENTITY releasedate  "August 29th, &year;">
+<!ENTITY releasedate  "August 30th, &year;">
 <!ENTITY pubdate      "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
 <!ENTITY blfs-version "svn">                  <!-- svn|[release #] -->
Index: general/prog/ruby.xml
===================================================================
--- general/prog/ruby.xml	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ general/prog/ruby.xml	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -7,8 +7,8 @@
   <!ENTITY ruby-download-http "http://cache.ruby-lang.org/pub/ruby/&ruby-minor-version;/ruby-&ruby-version;.tar.xz">
   <!ENTITY ruby-download-ftp  " ">
-  <!ENTITY ruby-md5sum        "60c8b3883cde410f8f8db374febdb0d8">
+  <!ENTITY ruby-md5sum        "624ecd14d366b20f41db35f06337d007">
   <!ENTITY ruby-size          "11 MB">
-  <!ENTITY ruby-buildsize     "414 MB (add 277 MB for C API docs)">
-  <!ENTITY ruby-time          "1.2 SBU (using parallelism=4; add 3.6 SBU for tests; add 0.6 SBU for C API docs)">
+  <!ENTITY ruby-buildsize     "532 MB (add 481 MB for C API docs)">
+  <!ENTITY ruby-time          "1.2 SBU (using parallelism=4; add 4.3 SBU for tests; add 0.5 SBU for C API docs)">
 ]>
 
@@ -80,6 +80,7 @@
       <xref linkend="graphviz"/>,
       <xref linkend="libyaml"/>,
-      <xref linkend="tk"/>, and 
-      <xref linkend="valgrind"/>
+      <xref linkend="tk"/>,
+      <xref linkend="valgrind"/>, and
+      <ulink url="http://dtrace.org/blogs/about/">DTrace</ulink>
     </para>
 
@@ -160,8 +161,8 @@
       <seglistitem>
         <seg>
-          erb, gem, irb, rake, rdoc, ri, and ruby
+          bundle, bundler, erb, gem, irb, rake, rdoc, ri, and ruby
         </seg>
         <seg>
-          libruby.so and libruby-static.a
+          libruby.so
         </seg>
         <seg>
@@ -179,4 +180,28 @@
       <?dbhtml list-presentation="table"?>
 
+      <varlistentry id="bundle">
+        <term><command>bundle</command></term>
+        <listitem>
+          <para>
+            creates bundles of Ruby Gems.
+          </para>
+          <indexterm zone="ruby bundle">
+            <primary sortas="b-bundle">bundle</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="bundler">
+        <term><command>bundler</command></term>
+        <listitem>
+          <para>
+            manages an application's dependencies throughout it's lifecycle.
+          </para>
+          <indexterm zone="ruby bundler">
+            <primary sortas="b-bundler">bundler</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
       <varlistentry id="erb">
         <term><command>erb</command></term>
Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ introduction/welcome/changelog.xml	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -42,4 +42,14 @@
     </listitem>
        -->
+    <listitem>
+      <para>August 30th, 2019</para>
+      <itemizedlist>
+        <listitem>
+          <para>[renodr] - Update to Ruby-2.6.4 (Security Patch). Fixes
+          <ulink url="&blfs-ticket-root;12456">#12456</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>August 29th, 2019</para>
Index: packages.ent
===================================================================
--- packages.ent	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ packages.ent	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -336,5 +336,5 @@
 <!ENTITY python3-version              "3.7.4">
 <!ENTITY ruby-minor-version           "2.6">
-<!ENTITY ruby-patch-version           "3">
+<!ENTITY ruby-patch-version           "4">
 <!ENTITY ruby-version                 "&ruby-minor-version;.&ruby-patch-version;">
 <!ENTITY rust-version                 "1.35.0">
Index: pst/typesetting/xindy.xml
===================================================================
--- pst/typesetting/xindy.xml	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ pst/typesetting/xindy.xml	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -34,5 +34,5 @@
       <application>Xindy</application> is an index processor that can be used
       to generate book-like indexes for arbitrary document-preparation systems.
-      This includes systems such as TeX and LaTeX, the roff-family,
+      This includes systems such as TeX and LaTeX, the roff-family, and
       SGML/XML-based systems (e.g., HTML) that process some kind of text and
       generate indexing information.
@@ -87,5 +87,5 @@
     <bridgehead renderas="sect4">Required</bridgehead>
     <para role="required">
-      <xref linkend="clisp"/>,
+      <xref linkend="clisp"/> and
       <xref linkend="texlive"/>
     </para>
Index: server/databases/mariadb.xml
===================================================================
--- server/databases/mariadb.xml	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ server/databases/mariadb.xml	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -92,4 +92,5 @@
     <para role="optional">
       <xref linkend="boost"/>,
+      <xref linkend="libaio"/>,
       <xref linkend="libxml2"/>,
       <xref linkend="linux-pam"/>,
@@ -102,5 +103,4 @@
       <ulink url="http://www.phontron.com/kytea/">KyTea</ulink>,
       <ulink url="http://sourceforge.net/projects/judy/">Judy</ulink>,
-      <ulink url="http://packages.debian.org/source/sid/libaio">libaio</ulink>,
       <ulink url="https://github.com/Cyan4973/lz4">lz4</ulink>,
       <ulink url="http://taku910.github.io/mecab">MeCab</ulink>,
Index: xincludes/tex-prefix.xml
===================================================================
--- xincludes/tex-prefix.xml	(revision 17e976e3a48f7f24eff1626edd9c1156678c4dcb)
+++ xincludes/tex-prefix.xml	(revision d28648d0e3fca0ee7baf3f9ed972e44bb7b164fc)
@@ -11,4 +11,4 @@
   will overwrite any corresponding files previously installed by
   <application>install-tl-unx</application> so that the alternative methods of
-  installing <application>texlive</application> are consistent..
+  installing <application>texlive</application> are consistent.
 </para>
