Vassal 3.6.12 Released

VASSAL 3.6.12 Released

The VASSAL Team is happy to announce VASSAL 3.6.12.


  • NEW! 64-bit ARM packages: There are now MacOS and Windows packages for 64-bit ARM processors. If you have a Mac with an Apple Silicon CPU (which is a 64-bit ARM processor), we recommend using the 64-bit ARM build.
  • Code deprecated more than a year ago has been removed. Modules containing custom code using that code MUST be updated if they are to work with 3.6.
  • Things may be broken which worked previously. If you find a new bug, please report it.
  • Modules saved in 3.6 are not openable by earlier versions of VASSAL. We recommend keeping a backup copy of any pre-3.6 modules you plan to modify in 3.6 until you’ve verified that everything works to your satisfaction.


MacOS (64-bit ARM)
MacOS (64-bit x86)
Windows (64-bit ARM)
Windows (64-bit x86)
Windows (32-bit x86)

Changes since 3.6.11

Bug fixes

  • 11994: Deck “send-when-empty” hotkeys no longer create extra undo steps
  • 11993: ActionButtons set to count 0 times don’t spuriously execute 1 time
  • 11982: Fixed multiplayer problems with detach option on Deselect trait
  • 11963: SendToLocation, Can Rotate, and MoveFixedDistance were all unlinking from deck/stack at wrong time, causing buggy behavior in some instances especially involving decks
  • 11961: Clear up mark-when-moved problems for modules which still had a legacy value set
  • 11884: ‘OldMat’ properties now set correctly regardless of order of Mat Cargo and Send-to-Location (etc.) traits
  • 11880: Triggers set to count 0 times don’t spuriously execute 1 time
  • 11714: Deck’s Send-when-Empty key now processes AFTER fully moving last card
  • 11627: ActionButtons with context menu flag no longer trigger context menu when a different ActionButton on same piece (that doesn’t have the flag set) is clicked
  • 11462: Don’t +1 inventory sum if property isn’t even defined
  • 11437: Prevent NPE when right-clicking on a Deck with no menu items
  • 11429: Deck Empty Hotkey no longer repeats per online player instance, nor when stepping forward a log

Other improvements

  • 12013: Reinstate removal of module tile cache when a module is removed from the Module Manager
  • 12007: Update Apple Silicon terminology in preferences and docs
  • 11986: Add missing Section size symbol to NATO markers
  • 11957: Spaces in GKC reports made consistent with all other reports
  • 11935: Allow option for only first Mouseover-stack Viewer that generates a tooltip will be drawn

Changes since 3.6.10

Bug fixes

  • 11941: Since 3.6.7, French/Belgian AZERTY keyboards on Mac were experiencing problems with Ctrl / Alt keys on the number key row
  • 11938: IndexOutOfBoundsException trying to open a private note
  • 11933: At-Start stacks were getting confused by blank boards
  • 11929: Show translated module name and descriptions in Module Manager
  • 11924: Reinstate translation of Player Sides
  • 11904: Global Key Command fastmatch for Mats fixed to avoid trait-order bugs
  • 11901: Corrected “Mark When Moved” documentation
  • 11899: Hide FileConfigurer label in preferences dialogs
  • 11890: NPE when current-stack option used on non-stacking piece
  • 11505: Insert items into formatted strings from drop-down list into the correctly selected position

Other improvements

  • 11911: Debug window shows board-relative coordinates if they are different from the map-relative ones
  • 11906: MatCargo’s mat detection did unnecessary computations for lack of parentheses
  • 11900: Clear Tile Cache with more efficient Files.walkFileTree()

See the Release Notes for descriptions of the changes in 3.6.

Minimum Requirements

VASSAL 3.6 requires Java 11 or later.

The Windows and MacOS packages have an appropriate version of Java bundled with them, so there is no need to install Java separately on those operating systems. On Linux, use your package manager to install Java 11 or later.

Help us test

Please report bugs in the Technical Support & Bugs category at the VASSAL forum.



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