diff --git a/ANNOUNCE b/ANNOUNCE
index da95922ec..93cdb76fc 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta79 - January 23, 2016
+Libpng 1.7.0beta79 - January 29, 2016
 
 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.
@@ -1219,9 +1219,9 @@ Version 1.7.0beta78 [January 23, 2016]
     "tmpfile()" implementation in contrib/libtests/pngstest.c
   Fixed NO_STDIO build of pngunknown.c to skip calling png_init_io()
     if there is no stdio.h support.
-  Added an API and a number of assist macros to allow an application
-    that uses the simplified API write to bypass stdio and write
-    directly to memory.
+  Added a png_image_write_to_memory() API and a number of assist macros
+    to allow an application that uses the simplified API write to bypass
+    stdio and write directly to memory.
   Added some warnings (png.h) and some check code to detect *possible*
     overflow in the ROW_STRIDE and simplified image SIZE macros.  This
     disallows image width/height/format that *might* overflow.  This is
@@ -1239,7 +1239,15 @@ Version 1.7.0beta78 [January 23, 2016]
     32 bits of address space when size_t/ptrdiff_t are 64 bit types.
   Revised workaround for false-positive Coverity issue in pngvalid.c.
 
-Version 1.7.0beta79 [January 23, 2016]
+Version 1.7.0beta79 [January 29, 2016]
+  Only use exit(77) in configure builds.
+  Corrected error in PNG_IMAGE_PNG_SIZE_MAX. This new macro underreported
+    the palette size because it failed to take into account that the memory
+    palette has to be expanded to full RGB when it is written to PNG.
+  Updated CMakeLists.txt, added supporting scripts/gen*.cmake.in
+    and test.cmake.in (Roger Leigh).
+  Revised pngstest to (by default) make random backgrounds on a per-file,
+    not per-session, basis.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index 024150fc9..8d82e01f5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5518,9 +5518,9 @@ Version 1.7.0beta78 [January 23, 2016]
     "tmpfile()" implementation in contrib/libtests/pngstest.c
   Fixed NO_STDIO build of pngunknown.c to skip calling png_init_io()
     if there is no stdio.h support.
-  Added an API and a number of assist macros to allow an application
-    that uses the simplified API write to bypass stdio and write
-    directly to memory.
+  Added a png_image_write_to_memory() API and a number of assist macros
+    to allow an application that uses the simplified API write to bypass
+    stdio and write directly to memory.
   Added some warnings (png.h) and some check code to detect *possible*
     overflow in the ROW_STRIDE and simplified image SIZE macros.  This
     disallows image width/height/format that *might* overflow.  This is
@@ -5538,7 +5538,15 @@ Version 1.7.0beta78 [January 23, 2016]
     32 bits of address space when size_t/ptrdiff_t are 64 bit types.
   Revised workaround for false-positive Coverity issue in pngvalid.c.
 
-Version 1.7.0beta79 [January 23, 2016]
+Version 1.7.0beta79 [January 29, 2016]
+  Only use exit(77) in configure builds.
+  Corrected error in PNG_IMAGE_PNG_SIZE_MAX. This new macro underreported
+    the palette size because it failed to take into account that the memory
+    palette has to be expanded to full RGB when it is written to PNG.
+  Updated CMakeLists.txt, added supporting scripts/gen*.cmake.in
+    and test.cmake.in (Roger Leigh).
+  Revised pngstest to (by default) make random backgrounds on a per-file,
+    not per-session, basis.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/contrib/libtests/pngimage.c b/contrib/libtests/pngimage.c
index c44dd77cb..641357316 100644
--- a/contrib/libtests/pngimage.c
+++ b/contrib/libtests/pngimage.c
@@ -1,8 +1,8 @@
 /* pngimage.c
  *
- * Copyright (c) 2015 John Cunningham Bowler
+ * Copyright (c) 2015,2016 John Cunningham Bowler
  *
- * Last changed in libpng 1.6.20 [December 3, 2015]
+ * Last changed in libpng 1.6.22 [(PENDING RELEASE)]
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
diff --git a/contrib/libtests/pngunknown.c b/contrib/libtests/pngunknown.c
index 915033ea8..b5ab04a41 100644
--- a/contrib/libtests/pngunknown.c
+++ b/contrib/libtests/pngunknown.c
@@ -2,7 +2,7 @@
 /* pngunknown.c - test the read side unknown chunk handling
  *
  * Last changed in libpng 1.6.22 [(PENDING RELEASE)]
- * Copyright (c) 2016 Glenn Randers-Pehrson
+ * Copyright (c) 2015,2016 Glenn Randers-Pehrson
  * Written by John Cunningham Bowler
  *
  * This code is released under the libpng license.