Please Install the Updated Packages.

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

optipng on Fedora 17

• http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088322.html

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Updated on 2015-03-25