diff --git a/INSTALL b/INSTALL
index a68f8b3..44e4383 100644
--- a/INSTALL
+++ b/INSTALL
@@ -380,7 +380,7 @@
 --with-pkgconfigdir=/usr/lib/pkgconfig --includedir=/usr/include
 
 You can alternatively specify --includedir=/usr/include, /usr/local/include,
-/usr/include/libpng%NN%, or whatever.
+/usr/include/libpng15, or whatever.
 
 If you find that the configure script is out-of-date or is not supporting
 your platform properly, try running autogen.sh to regenerate "configure",
diff --git a/LICENSE b/LICENSE
index 72a75cc..6534b32 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, August 21, 2014, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, November 6, 2014, are
 Copyright (c) 2004, 2006-2014 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -108,4 +108,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 21, 2014
+November 6, 2014
diff --git a/README b/README
index 9459096..0fc9bf6 100644
--- a/README
+++ b/README
@@ -1,12 +1,11 @@
-README for libpng version 1.5.20beta01 - August 21, 2014 (shared library 15.0)
+README for libpng version 1.5.20beta01 - November 6, 2014 (shared library 15.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
 
-Libpng comes in several distribution formats.  Get libpng-*.tar.gz,
-libpng-*.tar.xz or libpng-*.tar.bz2 if you want UNIX-style line endings
-in the text files, or lpng*.7z or lpng*.zip if you want DOS-style line
-endings.
+Libpng comes in several distribution formats.  Get libpng-*.tar.gz or
+libpng-*.tar.xz or if you want UNIX-style line endings in the text files,
+or lpng*.7z or lpng*.zip if you want DOS-style line endings.
 
 Version 0.89 was the first official release of libpng.  Don't let the
 fact that it's the first release fool you.  The libpng library has been in
@@ -24,18 +23,25 @@
 png_uint_32, which will affect shared-library applications that use
 this function.
 
-To avoid problems with changes to the internals of png_info_struct,
+To avoid problems with changes to the internals of the png info_struct,
 new APIs have been made available in 0.95 to avoid direct application
 access to info_ptr.  These functions are the png_set_<chunk> and
 png_get_<chunk> functions.  These functions should be used when
 accessing/storing the info_struct data, rather than manipulating it
 directly, to avoid such problems in the future.
 
-It is important to note that the APIs do not make current programs
+It is important to note that the APIs did not make current programs
 that access the info struct directly incompatible with the new
-library.  However, it is strongly suggested that new programs use
-the new APIs (as shown in example.c and pngtest.c), and older programs
-be converted to the new format, to facilitate upgrades in the future.
+library, through libpng-1.2.x.  In libpng-1.4.x, which was meant to
+be a transitional release, members of the png_struct and the
+info_struct can still be accessed, but the compiler will issue a
+warning about deprecated usage.  Since libpng-1.5.0, direct access
+to these structs is not allowed, and the definitions of the structs
+reside in private pngstruct.h and pnginfo.h header files that are not
+accessible to applications.  It is strongly suggested that new
+programs use the new APIs (as shown in example.c and pngtest.c), and
+older programs be converted to the new format, to facilitate upgrades
+in the future.
 ****
 
 Additions since 0.90 include the ability to compile libpng as a
@@ -177,7 +183,7 @@
        gregbook         =>  source code for PNG reading and writing, from
                             Greg Roelofs' "PNG: The Definitive Guide",
                             O'Reilly, 1999
-       libtests         =>  Contains the pngvalid.c test program
+       libtests         =>  Test programs
        pngminim         =>  Minimal decoder, encoder, and progressive decoder
                             programs demonstrating use of pngusr.dfa
        pngminus         =>  Simple pnm2png and png2pnm programs
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 5ef15f7..ad3cd61 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 Libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.20beta01 - August 21, 2014
+ libpng version 1.5.20beta01 - November 6, 2014
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.20beta01 - August 21, 2014
+ libpng versions 0.97, January 1998, through 1.5.20beta01 - November 6, 2014
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
 
@@ -4531,7 +4531,7 @@
 
 XIV. Y2K Compliance in libpng
 
-August 21, 2014
+November 6, 2014
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
diff --git a/libpng.3 b/libpng.3
index 718ced0..e98bfb0 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "August 21, 2014"
+.TH LIBPNG 3 "November 6, 2014"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.20beta01
 .SH SYNOPSIS
@@ -492,7 +492,7 @@
 .SH LIBPNG.TXT
 Libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.20beta01 - August 21, 2014
+ libpng version 1.5.20beta01 - November 6, 2014
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -503,7 +503,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.20beta01 - August 21, 2014
+ libpng versions 0.97, January 1998, through 1.5.20beta01 - November 6, 2014
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
 
@@ -5023,7 +5023,7 @@
 
 .SH XIV. Y2K Compliance in libpng
 
-August 21, 2014
+November 6, 2014
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -5324,7 +5324,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.5.20beta01 - August 21, 2014:
+Libpng version 1.5.20beta01 - November 6, 2014:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -5347,7 +5347,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, August 21, 2014, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, November 6, 2014, are
 Copyright (c) 2004,2006-20014 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -5446,7 +5446,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 21, 2014
+November 6, 2014
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 7b1dcc5..95f434d 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "August 21, 2014"
+.TH LIBPNGPF 3 "November 6, 2014"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.20beta01
 (private functions)
diff --git a/png.5 b/png.5
index 461e2f8..bf3aa87 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "August 21, 2014"
+.TH PNG 5 "November 6, 2014"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.h b/png.h
index 6fec3c9..3698761 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.5.20beta01 - August 21, 2014
+ * libpng version 1.5.20beta01 - November 6, 2014
  * Copyright (c) 1998-2014 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -11,7 +11,7 @@
  * Authors and maintainers:
  *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *   libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.5.20beta01 - August 21, 2014: Glenn
+ *   libpng versions 0.97, January 1998, through 1.5.20beta01 - November 6, 2014: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -231,7 +231,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, August 21, 2014, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.5.20beta01, November 6, 2014, are
  * Copyright (c) 2004, 2006-2014 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.2.5
  * with the following individual added to the list of Contributing Authors:
@@ -343,7 +343,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    August 21, 2014
+ *    November 6, 2014
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -412,7 +412,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.5.20beta01"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.5.20beta01 - August 21, 2014\n"
+     " libpng version 1.5.20beta01 - November 6, 2014\n"
 
 #define PNG_LIBPNG_VER_SONUM   15
 #define PNG_LIBPNG_VER_DLLNUM  15
diff --git a/pngconf.h b/pngconf.h
index d8b1fb2..2200939 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.5.20beta01 - August 21, 2014
+ * libpng version 1.5.20beta01 - November 6, 2014
  *
  * Copyright (c) 1998-2013 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index c0731d0..91272f4 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.5.20beta01 - August 21, 2014
+libpng version 1.5.20beta01 - November 6, 2014
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 27a0690..422e0ad 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.5.20beta01 - August 21, 2014
+ * libpng version 1.5.20beta01 - November 6, 2014
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index e728644..d03f344 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.5.20beta01 - August 21, 2014
+Makefiles for  libpng version 1.5.20beta01 - November 6, 2014
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 15d0bb5..a850648 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -1,7 +1,7 @@
 /* 1.5.20beta01 STANDARD API DEFINITION */
 /* pnglibconf.h - library build configuration */
 
-/* libpng version 1.5.20beta01 - August 21, 2014 */
+/* libpng version 1.5.20beta01 - November 6, 2014 */
 
 /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */