diff --git a/ANNOUNCE b/ANNOUNCE
index 18b44335..a0a9b115 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.2.53rc01 - February 12, 2015
+Libpng 1.2.53rc02 - February 21, 2015
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,37 +9,37 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   libpng-1.2.53rc01.tar.xz (LZMA-compressed, recommended)
-   libpng-1.2.53rc01.tar.gz
-   libpng-1.2.53rc01.tar.bz2
+   libpng-1.2.53rc02.tar.xz (LZMA-compressed, recommended)
+   libpng-1.2.53rc02.tar.gz
+   libpng-1.2.53rc02.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   libpng-1.2.53rc01-no-config.tar.xz (LZMA-compressed, recommended)
-   libpng-1.2.53rc01-no-config.tar.gz
-   libpng-1.2.53rc01-no-config.tar.bz2
+   libpng-1.2.53rc02-no-config.tar.xz (LZMA-compressed, recommended)
+   libpng-1.2.53rc02-no-config.tar.gz
+   libpng-1.2.53rc02-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1253r01.zip
-   lp1253r01.7z
-   lp1253r01.tar.bz2
+   lp1253r02.zip
+   lp1253r02.7z
+   lp1253r02.tar.bz2
 
 Project files
 
-   libpng-1.2.53rc01-project-netware.zip
-   libpng-1.2.53rc01-project-wince.zip
+   libpng-1.2.53rc02-project-netware.zip
+   libpng-1.2.53rc02-project-wince.zip
 
 Other information:
 
-   libpng-1.2.53rc01-README.txt
-   libpng-1.2.53rc01-KNOWNBUGS.txt
-   libpng-1.2.53rc01-LICENSE.txt
-   libpng-1.2.53rc01-Y2K-compliance.txt
-   libpng-1.2.53rc01-[previous version]-diff.txt
-   libpng-1.2.53rc01-*.asc (armored detached GPG signatures)
+   libpng-1.2.53rc02-README.txt
+   libpng-1.2.53rc02-KNOWNBUGS.txt
+   libpng-1.2.53rc02-LICENSE.txt
+   libpng-1.2.53rc02-Y2K-compliance.txt
+   libpng-1.2.53rc02-[previous version]-diff.txt
+   libpng-1.2.53rc02-*.asc (armored detached GPG signatures)
 
 Changes since the last public release (1.2.52):
 
@@ -55,6 +55,14 @@ version 1.2.53beta02 [February 6, 2015]
 version 1.2.53rc01 [February 12, 2015]
   No changes.
 
+version 1.2.53rc02 [February 21, 2015]
+  Display user limits in the output from pngtest.
+  Changed PNG_USER_CHUNK_MALLOC_MAX from unlimited to 8,000,000.
+    This can only be changed at library-build time.  It only
+    affects the maximum memory that can be allocated to an
+    ancillary chunk; it does not limit the size of IDAT
+    data, which is instead limited by PNG_USER_WIDTH_MAX.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CHANGES b/CHANGES
index d8cd910a..331458de 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2840,6 +2840,14 @@ version 1.2.53beta02 [February 6, 2015]
 version 1.2.53rc01 [February 12, 2015]
   No changes.
 
+version 1.2.53rc02 [February 21, 2015]
+  Display user limits in the output from pngtest.
+  Changed PNG_USER_CHUNK_MALLOC_MAX from unlimited to 8,000,000.
+    This can only be changed at library-build time.  It only
+    affects the maximum memory that can be allocated to an
+    ancillary chunk; it does not limit the size of IDAT
+    data, which is instead limited by PNG_USER_WIDTH_MAX.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/pngconf.h b/pngconf.h
index 23090f5d..3ff24bad 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.53rc01 - February 12, 2015
+ * libpng version 1.2.53rc02 - February 21, 2015
  * Copyright (c) 1998-2013 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.)
@@ -885,7 +885,7 @@
 
 /* Added at libpng-1.2.43 */
 #ifndef PNG_USER_CHUNK_MALLOC_MAX
-#  define PNG_USER_CHUNK_MALLOC_MAX 0
+#  define PNG_USER_CHUNK_MALLOC_MAX 8000000
 #endif
 
 #ifndef PNG_LITERAL_SHARP
diff --git a/pngtest.c b/pngtest.c
index 5c95b2f7..0879aa2a 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1456,6 +1456,8 @@ main(int argc, char *argv[])
    int multiple = 0;
    int ierror = 0;
 
+   png_structp dummy_ptr;
+
    fprintf(STDERR, "\n Testing libpng version %s\n", PNG_LIBPNG_VER_STRING);
    fprintf(STDERR, "   with zlib   version %s\n", ZLIB_VERSION);
    fprintf(STDERR, "%s", png_get_copyright(NULL));
@@ -1698,8 +1700,27 @@ main(int argc, char *argv[])
       fprintf(STDERR, " libpng passes test\n");
    else
       fprintf(STDERR, " libpng FAILS test\n");
+
+   dummy_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+   fprintf(STDERR, " Default limits:\n");
+   fprintf(STDERR, "  width_max  = %lu\n",
+      (unsigned long) png_get_user_width_max(dummy_ptr));
+   fprintf(STDERR, "  height_max = %lu\n",
+      (unsigned long) png_get_user_height_max(dummy_ptr));
+   if (PNG_USER_CHUNK_CACHE_MAX == 0)
+      fprintf(STDERR, "  cache_max  = unlimited\n");
+   else
+      fprintf(STDERR, "  cache_max  = %lu\n",
+         (unsigned long) PNG_USER_CHUNK_CACHE_MAX);
+   if (PNG_USER_CHUNK_MALLOC_MAX == 0)
+      fprintf(STDERR, "  malloc_max = unlimited\n");
+   else
+      fprintf(STDERR, "  malloc_max = %lu\n",
+         (unsigned long) PNG_USER_CHUNK_MALLOC_MAX);
+   png_destroy_read_struct(&dummy_ptr, NULL, NULL);
+
    return (int)(ierror != 0);
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_53rc01 your_png_h_is_not_version_1_2_53rc01;
+typedef version_1_2_53rc02 your_png_h_is_not_version_1_2_53rc02;