diff --git a/libpng.3 b/libpng.3
index 7f4764c4b..5e5b904ad 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5277,6 +5277,7 @@ the first widely used release:
  1.5.2beta01-03      15    10502  15.so.15.2[.0]
  1.5.2rc01-03        15    10502  15.so.15.2[.0]
  1.5.2               15    10502  15.so.15.2[.0]
+ 1.5.3beta01         15    10503  15.so.15.3[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
diff --git a/png.h b/png.h
index 108f3116e..2fe787eeb 100644
--- a/png.h
+++ b/png.h
@@ -150,6 +150,7 @@
  *    1.5.2beta01-03          15    10502  15.so.15.2[.0]
  *    1.5.2rc01-03            15    10502  15.so.15.2[.0]
  *    1.5.2                   15    10502  15.so.15.2[.0]
+ *    1.5.3beta01             15    10503  15.so.15.3[.0]
  *
  *   Henceforth the source version will match the shared-library major
  *   and minor numbers; the shared-library major version number will be
diff --git a/pngwutil.c b/pngwutil.c
index 01e4c1627..957789bd0 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -258,6 +258,8 @@ png_text_compress(png_structp png_ptr,
 
    if (!(png_ptr->mode & PNG_ZLIB_READY_FOR_ZTXT))
      {
+
+        /* png_warning(png_ptr, "Initialize compressor for ztxt"); */
         /* Free memory from previously opened zstream */
         deflateEnd(&png_ptr->zstream);
 
@@ -685,6 +687,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
    png_ptr->zlib_text_method = 8;
 #endif /* PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION */
 
+   /* png_warning(png_ptr, "Initialize compressor for IDAT"); */
    /* Free memory from previously opened zstream */
    deflateEnd(&png_ptr->zstream);
    /* Initialize the zlib compressor */
@@ -787,6 +790,8 @@ png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length)
 
       if (png_ptr->mode & PNG_ZLIB_READY_FOR_ZTXT)
       {
+         /* png_warning(png_ptr, "Initialize compressor for IDAT"); */
+
          /* Free memory from previously opened zstream */
          deflateEnd(&png_ptr->zstream);