1.8.0

Added

• Add "Bulk Compress Directory (recursive)" feature. Thank's to @rk234.
• Add simplified Chinese translation. Thank's to @yuhldr.
• Add Ukrainian translation. Thank's to @Vovkiv.
• Add categories and keywords support in appdata. Thank's to @sabriunal.

Changed

• Improve clarity of preference options.
• Update OxiPNG to v9.
• Update translations.

Fixed

• Handle cases where previews can't be generated.
• Fix some "Format of this file is not supported".