Index: general.ent
===================================================================
--- general.ent	(revision 555f708ee2f6953108952b156f83527333b268f0)
+++ general.ent	(revision 0b87037da1fc61612225304608f706089ec39d5c)
@@ -1,5 +1,5 @@
 <!-- $LastChangedBy$ $Date$ -->
 
-<!ENTITY day          "13">                   <!-- Always 2 digits -->
+<!ENTITY day          "14">                   <!-- Always 2 digits -->
 <!ENTITY month        "09">                   <!-- Always 2 digits -->
 <!ENTITY year         "2020">
@@ -7,5 +7,5 @@
 <!ENTITY copyholder   "The BLFS Development Team">
 <!ENTITY version      "&year;-&month;-&day;">
-<!ENTITY releasedate  "September 13th, &year;">
+<!ENTITY releasedate  "September 14th, &year;">
 <!ENTITY pubdate      "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
 <!ENTITY blfs-version "svn">                  <!-- svn|[release #] -->
Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision 555f708ee2f6953108952b156f83527333b268f0)
+++ introduction/welcome/changelog.xml	(revision 0b87037da1fc61612225304608f706089ec39d5c)
@@ -43,4 +43,14 @@
     -->
     <listitem>
+      <para>September 14th, 2020</para>
+      <itemizedlist>
+        <listitem>
+          <para>[ken] - Update to biber-2.15 with biblatex-3.15a. Fixes
+          <ulink url="&blfs-ticket-root;13934">#13934</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
+    <listitem>
       <para>September 13th, 2020</para>
       <itemizedlist>
Index: packages.ent
===================================================================
--- packages.ent	(revision 555f708ee2f6953108952b156f83527333b268f0)
+++ packages.ent	(revision 0b87037da1fc61612225304608f706089ec39d5c)
@@ -1081,6 +1081,6 @@
 <!ENTITY texlive-year                 "2020">
 <!ENTITY asymptote-version            "2.67">
-<!ENTITY biber-version                "2.14">
-<!ENTITY biblatex-version             "3.14">
+<!ENTITY biber-version                "2.15">
+<!ENTITY biblatex-version             "3.15a">
 <!ENTITY dvisvgm-version              "2.10">
 <!ENTITY xindy-version                "2.5.1">
Index: pst/typesetting/biber.xml
===================================================================
--- pst/typesetting/biber.xml	(revision 555f708ee2f6953108952b156f83527333b268f0)
+++ pst/typesetting/biber.xml	(revision 0b87037da1fc61612225304608f706089ec39d5c)
@@ -13,17 +13,20 @@
   <!ENTITY biber-download-http "https://github.com/plk/biber/archive/v&biber-version;/biber-&biber-version;.tar.gz">
   <!ENTITY biber-download-ftp  " ">
-  <!ENTITY biber-md5sum        "726e7457f1b4d882e1d05fd185563cfd">
+  <!ENTITY biber-md5sum        "3c964253bcab6c0af9acd3d2b3f501c2">
   <!ENTITY biber-size          "1.6 MB">
   <!-- Buildsize includes the installed biblatex, except that what matters is
     the difference from the files shipped by texlive, so usually the addition is
     minimal. Copy full texmf to somewhere for working, measure with du -shm,
-    then install bibleatex over the top of it and remeasure. -->
-  <!ENTITY biber-buildsize     "16 MB">
-  <!ENTITY biber-time          "0.6 SBU including tests">
+    then install biblatex over the top of it and remeasure.
+    For 3.15a, texmf grows by 2MB -->
+  <!ENTITY biber-buildsize     "18 MB">
+  <!ENTITY biber-time          "0.4 SBU including tests">
 
   <!-- Check path.  Directory might not be &biblatex-version; if a suffixed update -->
-  <!ENTITY biblatex-download-http   "http://sourceforge.net/projects/biblatex/files/biblatex-&biblatex-version;/biblatex-&biblatex-version;.tds.tgz">
+  <!-- for normal unsuffixed version:
+  <!ENTITY biblatex-download-http   "http://sourceforge.net/projects/biblatex/files/biblatex-&biblatex-version;/biblatex-&biblatex-version;.tds.tgz"> -->
+  <!ENTITY biblatex-download-http   "http://sourceforge.net/projects/biblatex/files/biblatex-3.15/biblatex-&biblatex-version;.tds.tgz">
   <!ENTITY biblatex-download-ftp    "">
-  <!ENTITY biblatex-md5sum          "fc3605bc86de283e6f962f20a80c5a04">
+  <!ENTITY biblatex-md5sum          "f27db2896d485c2c138fcc42e03a2f1c">
   <!ENTITY biblatex-size            "20 MB">
 
@@ -121,5 +124,5 @@
       <para>
         If you have updated to a new release of texlive-source, biber and its
-        perl dependencies are still in present in <filename
+        perl dependencies are still present in <filename
         class="directory">/usr</filename> and do not need to be rebuilt.
         However, biblatex installs in <filename
@@ -129,9 +132,18 @@
 
       <para>
+        If you installed the above dependencies using the BLFS instructions
+        for each of them, <command>perl ./Build.PL</command> will complain
+        that Mozilla::CA is not installed, but that is not needed unless
+        CPAN was used to install the modules. BLFS patches LWP::Protocol::https
+        to use the system certificates, Mozilla::CA uses old certificates.
+      </para>
+
+<!--  <para> ##commented as a reminder that sooner or later it will need a
+        newer version than our current or last but one release ##
         This version of biber requires <application>perl-5.30</application>
         or later.  If you are still using the 8.4 version of BLFS you may
         wish to build the 2.13 version: see the 8.4 book noting that
         biblatex-3.13 has been replaced by biblatex-3.13a upstream.
-      </para>
+      </para>-->
     </note>
 
@@ -230,5 +242,7 @@
         linkend="perl-auto-install"/>. Then run <command>perl
         ./Build.PL</command> and when it prompts you, become the root user
-        and run <command>./Build installdeps</command>
+        and run <command>./Build installdeps</command> - this will use CPAN
+        and as noted above it will use Mozilla::CA instead of using system
+        certificates.
       </para>
     </note>
