Projects / pngcrush / Releases

All releases of pngcrush

  •  16 Mar 2014 02:20
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    Release Notes: Fixes a bug with reducing 16-bit images to 8-bit using the "-reduce" option. Restores calls to png_set_crc_action(), which had been removed from version 1.7.72 for some testing and inadvertently not restored. Adds code to fix/salvage PNG files with a "bad adaptive filter value" error. Avoids calculating CRC during compression trials except for the last trial, when the output is actually written.

    •  08 Feb 2014 14:36
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      Release Notes: The bundled static libpng has been updated to version 1.6.9.

      •  18 Jul 2013 22:08
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        Release Notes: This release fixes a bug with the new "-reduce" option which would remove the alpha channel even when it was not all-opaque.

        •  09 Mar 2013 16:43
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          Release Notes: This release fixes a bug introduced in 1.7.52 which caused the -reduce option to produce a tRNS chunk which had more entries than the PLTE chunk (which is invalid).

          •  05 Mar 2013 16:41
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            Release Notes: This release fixes initialization problems introduced in version 1.7.51, reinitializes settings before processing each file, and makes the "-reduce" option work properly.

            •  15 Feb 2013 16:00
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              Release Notes: This version implements the "-reduce" option properly. This examines the input file to see if the color type, bit depth, and palette length can be reduced without loss, and if there is an opaque alpha channel which can be removed.

              •  24 Oct 2012 13:12
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                Release Notes: This release fixes a bug introduced in version 1.7.39 which caused failure to write an output file.

                •  01 Sep 2012 15:08
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                  Release Notes: A bug in the handling of indexed PNG files was fixed.

                  •  01 Sep 2012 14:35
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                    Release Notes: Changes in pngcrush.c that caused it to fail with some indexed PNG files were reverted.

                    •  31 Jul 2012 04:42
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                      Release Notes: Version 1.7.34 introduced a bug in which a file was opened for each trial compression but never written or closed. After a system-dependent number of trials, pngcrush was unable to open a file for the next trial and exited. This release fixes that bug.

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