See the full ChangeLog in the source for a comprehensive list of all changes.

Download links for the latest release can be found on the download page.


3.1.1 is a generic bugfix release, notably fixing an issue causing gtk4-client to overwrite user options on every launch.

Server / General[]

  • Fixed issues with more than 65535 cities and units. Both server and client need to be updated for the fix to be active RM#304 RM#489
  • Fixed allied victory in case all players get allied before anyone perish RM#324
  • Fixed server crash after player removal when some remaining unit has that player as their nationality RM#383

Changes affecting other rulesets / modders[]

  • Worklist items with unreachable local range building requirements correctly purged osdn#48773
  • Supposedly hidden extras are no longer sent to the client as resources either RM#350


  • Various internal changes which should only affect developers. RM#147 RM#352



  • gtk4
    • Assert failures on policies dialog fixed RM#312
    • Fixed saving of the options migration status, so there's no new attempt on every client launch RM#427



  • Editing of unit type flags added RM#284
  • Editing of extra flags added RM#323
  • Editing of terrain flags added RM#339
  • Editing of terrain native_to added RM#298
  • Editing of extra native_to added RM#316
  • Buildings flag editing unified with other flag editors RM#349
  • Make helptext of buildings available for viewing RM#326 RM#368 RM#327
  • Tech's values editing addded RM#358
  • Corrected Tech Add/Remove buttons placements on experimental mode builds RM#430

Manual Generator[]

  • Use proper wiki tag in improvements manual RM#321
  • Add horizontal line between terrain types RM#325

Help / Documentation[]


  • Updated translations:
    • Complete translations: Russian
    • Incomplete translations: Finnish (100% core, 92% nations, 100% ruledit)


  • Refreshed bootstrap files from their upstreams RM#272 RM#291 RM#367 RM#378 RM#404 RM#405
  • Fixed some clang analyzer warnings RM#286 RM#317 RM#335 RM#377
  • Metainfo updates
    • Developer name information added RM#280
    • New gtk3.22-client screenshot RM#290
  • Meson based build fixes
  • Appimages
    • Added appimage configure option to meson based builds RM#393
    • Added script RM#396
  • Flatpak updates
    • Gnome sdk and platform updated to 46 RM#322
    • Qt sdk and platform updated to 6.7 RM#438
  • Fixed C++20 "capture this" sematics configure check RM#328
  • Fixed python syntax errors on generating network packet definitions RM#365
  • Fixed build against Qt-6.8 development version RM#462

See NEWS for older lists of changes.