Bannerlord Update 1.3.9 and War Sails Update 1.0.5 Deliver New Fixes and Refinements

by Ali Haider

Updates have arrived for both Mount and Blade II Bannerlord and the War Sails expansion, introducing targeted fixes and incremental improvements across land and naval gameplay. War Sails version 1.0.5 focuses on refining the naval storyline, correcting issues affecting troop behavior, AI routines, and quest progression. Bannerlord version 1.3.9 expands stability efforts by enabling launcher crash dump submissions and addressing several persistent gameplay and narrative bugs.

Together, these updates aim to improve overall performance during large scale encounters and narrative sequences, particularly within the naval campaign. The development team notes that console hotfixes will follow at a later time due to longer certification requirements.

Patch Notes

War Sails Update 1.0.5

Changes

  • Updated Visit and Talk tooltips during the Speak to Gunnar and Sister quest to direct players to take a walk around the port and locate Gunnar

Fixes

  • Corrected AI behavior during the escape phase of the final storyline quest
  • Fixed troop experience loss triggered when entering and exiting the naval storyline
  • Resolved issue preventing troops from leaving oars to engage hooks
  • Fixed ship debris spawning during the Naval Order of Battle phase

Crashes

  • Fixed crash in land and naval battles related to physics simulation

Bannerlord Update 1.3.9

Changes

  • Added ability to submit crash dumps for launcher related crashes to improve troubleshooting

Fixes

  • Fixed family members disappearing at the end of the storyline, which caused subsequent crashes
  • Corrected issue with Transfer Troops action not functioning properly

Crashes

  • Fixed crash triggered when the leader of a siege leaves

Mount and Blade II Bannerlord is available on PC, PlayStation, and Xbox platforms, while the War Sails expansion launched on November 26, 2025, for PC and current-generation consoles. Versions 1.3.9 and 1.0.5 are now live for PC, with console updates to follow.

Have you noticed these changes? Share your thoughts in the comments!

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