New since 13.1:

• Reduced maximum memory usage to a quarter instead of a third of the total system memory.
• Increased playing strength in almost all game variants (except for Nexos), especially in Trigon, GembloQ and Callisto.
• Duo now uses the colors purple/orange.
• Junior now uses the colors green/orange.
• File format: accept whitespaces before and after property identifiers.

Bugfixes:

• Fixed a potential race condition during move generation.
• Dot indicating color to play in orientation selector was not always updated correctly after loading a file of a different game variant.

Test plan:

• Start game, save, open saved game
• Play the game. Use both play button (computer moves instead of user) or manual
• Export as image
• Open and browse help