diff --git a/LICENSE b/LICENSE
index d84ce4a..0c10347 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 1.7.0beta54, February 25, 2015, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0beta54, March 4, 2015, are
 Copyright (c) 2004, 2006-2015 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
-February 25, 2015
+March 4, 2015
diff --git a/README b/README
index a874044..c53ccdb 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.7.0beta54 - February 25, 2015 (shared library 17.0)
+README for libpng version 1.7.0beta54 - March 4, 2015 (shared library 17.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 4fd51a5..88740dd 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 1.7.0beta54 - February 25, 2015
+ libpng version 1.7.0beta54 - March 4, 2015
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2015 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0beta54 - February 25, 2015
+ libpng versions 0.97, January 1998, through 1.7.0beta54 - March 4, 2015
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2015 Glenn Randers-Pehrson
 
@@ -5332,7 +5332,7 @@
 
 XVII. Y2K Compliance in libpng
 
-February 25, 2015
+March 4, 2015
 
 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 59adb9c..1183bb4 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "February 25, 2015"
+.TH LIBPNG 3 "March 4, 2015"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta54
 .SH SYNOPSIS
@@ -494,7 +494,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.7.0beta54 - February 25, 2015
+ libpng version 1.7.0beta54 - March 4, 2015
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2015 Glenn Randers-Pehrson
@@ -505,7 +505,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.7.0beta54 - February 25, 2015
+ libpng versions 0.97, January 1998, through 1.7.0beta54 - March 4, 2015
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2015 Glenn Randers-Pehrson
 
@@ -5826,7 +5826,7 @@
 
 .SH XVII. Y2K Compliance in libpng
 
-February 25, 2015
+March 4, 2015
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -6096,7 +6096,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.7.0beta54 - February 25, 2015:
+Libpng version 1.7.0beta54 - March 4, 2015:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6119,7 +6119,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.7.0beta54, February 25, 2015, are
+libpng versions 1.2.6, August 15, 2004, through 1.7.0beta54, March 4, 2015, are
 Copyright (c) 2004,2006-2007 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
@@ -6218,7 +6218,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 25, 2015
+March 4, 2015
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 8b0b150..0f7f0e8 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "February 25, 2015"
+.TH LIBPNGPF 3 "March 4, 2015"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta54
 (private functions)
diff --git a/png.5 b/png.5
index ab6cba6..f021413 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "February 25, 2015"
+.TH PNG 5 "March 4, 2015"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index bbe8dff..c6944e1 100644
--- a/png.c
+++ b/png.c
@@ -694,13 +694,13 @@
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-     "libpng version 1.7.0beta54 - February 25, 2015" PNG_STRING_NEWLINE \
+     "libpng version 1.7.0beta54 - March 4, 2015" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
      "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
      "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
      PNG_STRING_NEWLINE;
 #  else
-      return "libpng version 1.7.0beta54 - February 25, 2015\
+      return "libpng version 1.7.0beta54 - March 4, 2015\
       Copyright (c) 1998-2015 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
diff --git a/png.h b/png.h
index 84c3f42..2976841 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,8 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.7.0beta54 - February 28, 2015
+ * libpng version 1.7.0beta54, March 4, 2015
+ *
  * Copyright (c) 1998-2015 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 +12,7 @@
  * 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 1.7.0beta54 - February 28, 2015: Glenn
+ *   libpng versions 0.97, January 1998, through 1.7.0beta54, March 4, 2015: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -200,7 +201,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.7.0beta54, February 28, 2015, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.7.0beta54, March 4, 2015, are
  * Copyright (c) 2004, 2006-2015 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:
@@ -312,7 +313,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 28, 2015
+ *    March 4, 2015
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -382,7 +383,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.7.0beta54"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.7.0beta54 - February 28, 2015\n"
+     " libpng version 1.7.0beta54 - March 4, 2015\n"
 
 #define PNG_LIBPNG_VER_SONUM   17
 #define PNG_LIBPNG_VER_DLLNUM  17
diff --git a/pngconf.h b/pngconf.h
index fbf091b..7e58539 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.7.0beta54 - February 25, 2015
+ * libpng version 1.7.0beta54, March 4, 2015
  *
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -11,9 +11,7 @@
  * For conditions of distribution and use, see the disclaimer
  * and license in png.h
  *
- */
-
-/* Any machine specific code is near the front of this file, so if you
+ * Any machine specific code is near the front of this file, so if you
  * are configuring libpng for a machine, you may want to read the section
  * starting here down to where it starts to typedef png_color, png_text,
  * and png_info.
diff --git a/pngwutil.c b/pngwutil.c
index 776edec..2dde62c 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -334,6 +334,7 @@
 
       if (owner == png_IDAT)
       {
+#ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
          if ((png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_STRATEGY) != 0)
             strategy = png_ptr->zlib_strategy;
 
@@ -341,6 +342,7 @@
             strategy = PNG_Z_DEFAULT_STRATEGY;
 
          else
+#endif
             strategy = PNG_Z_DEFAULT_NOFILTER_STRATEGY;
       }
 
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index b8e571b..c5c5ee7 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.7.0beta54 - February 25, 2015
+libpng version 1.7.0beta54 - March 4, 2015
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index dd714dc..fe6d0a7 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.7.0beta54 - February 25, 2015
+ * libpng version 1.7.0beta54 - March 4, 2015
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 43c139e..6cd33ba 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.7.0beta54 - February 25, 2015
+Makefiles for  libpng version 1.7.0beta54 - March 4, 2015
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index dad263a..dcd1dfc 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -2,7 +2,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.7.0beta54 - February 25, 2015 */
+/* Libpng version 1.7.0beta54 - March 4, 2015 */
 
 /* Copyright (c) 1998-2014 Glenn Randers-Pehrson */