v1.12.6

Just bug fixes.

• General issues:
  • Fixed: Missing metadata when importing a *.ba2 archive as frozen
• Wine (Linux) issues:
  • Launching the game should work now. (Select 'Steam' as game edition. Might need additional testing.)
  • Fixed crash when a different theme (e.g. light.msstyles) is selected in winecfg under "Desktop Integration"
  • Minor changes

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