Greetings, Generals!
We’ve decided to push version 1.19.2 to an Open Beta this weekend. This window allows us to gather broader community feedback and catch any unforeseen issues that might emerge from a larger testing pool. The silver lining? You’ll get to see the patch notes much earlier!
I want to clarify that this update does not include major balance overhauls. We are aware of the community’s concerns and are planning a more comprehensive balance pass; we’ll have more details on that front next week. For now, thank you for your continued support, and watch your six out there.
/Batya
How to join this Open Beta:
This beta client is Operation Postern v1.19.2.0.a69c (d7b6).
To install the Open Beta, follow these steps:
- Right-click the game in your Steam library.
- Select Properties from the drop-down menu.
- Navigate to the Betas tab.
- Select the open_beta branch from the list.
If you are already participating in the Open Beta, your client will update automatically. To report bugs, please use the official Bug Report Forum, ensuring you include your current version number so our team can accurately track and triage reports.

Open Beta Patch Notes
Known Issues
- Pending hotjoins can be overwritten by subsequent requests, potentially preventing the game from launching.
- Players may inadvertently bypass the hotjoin flow when connecting to a lobby that has already loaded onto the map but has not yet commenced.
Balance Changes
- Expeditionary Leader trait: Reduced Non-Core Attack and Defense bonuses from +15% to +10%.
- “Spirit of St. Bernard”: Tuned down this spirit, as it could previously lead to 105% casualty trickleback, effectively creating endless Swiss armies.
- INS: Feint uprisings now require more manpower (2500 to 5000) but consume less infantry equipment (2500 to 1500).
- INS: Indonesia will now core all starting states during the revolution.
- AST: ‘Australian Military Forces’ National Spirit Non-Core Attack/Defense values reduced by roughly 50%.
- AST: Reduced Citizen Army penalty to non-core Attack and Defense from -25% to -15%.
- AST: Rebalanced the Australian Air Branch, specifically lowering mission efficiency.
- SIA: Increased starting stability from 19% to 29%.
- SIA: Reduced IC build cost for ‘Unconventional Tank Designs’ from -15% to -10%.
- SIA: Replaced the Reliability penalty for ‘Unconventional Tank Designs’ with a -5% Soft Attack penalty.
- SIA: Reduced compliance gain from Civilian support and the ‘Built to Withstand Every Flame’ focus from 10% to 5%.
- SIA: Reduced gains to Research speed, Production efficiency cap, Defense, Organization, Entrenchment, and Output from the Asian Democratic Compact.
Gameplay & Mechanics
- Clarified tooltips for the “Establish the ABDACOM” shared focus regarding faction member eligibility.
- Corrected the historical inaccuracy in the “Reestablish the Guominjun” focus description.
- Subjects owning a single state will no longer trigger a ‘new war participant’ notification when joining a conflict.
- Added a toggle in settings to enable or disable scripted event sounds (e.g., speeches).
- New releasable nations in Indonesia now have access to the Nusantara/Greater Indonesia formable decision category.
- Added joint focus tree icons to ABDACOM-related focuses.
- Refined mechanics for Indonesian focuses including ‘The Timor Issue’, ‘Privately Owned Military Industry’, and capital movement decisions.
- AST: Added the ‘Australasia’ formable nation and updated various focus effects and prerequisites.
- SIA: Expanded diplomatic and civil war mechanics, including new leader choices and the Seri Thai branch.
Stability & Performance
- Fixed a crash triggered by the ‘gain_xp’ command on fleets lacking an Admiral.
- Fixed a crash occurring when assigning a deployed Field Marshal to an Army Group.
- Resolved late-game OOS errors related to MIOs and previous non-historical game sessions.
UI & AI Improvements
- Division Designer shortcuts now support HQ templates.
- Added dams to the States & Construction map modes.
- Improved clarity for manpower modifiers and commander ability tooltips.
- AI improvements for Italy, Germany, UK, USA, Japan, and Indonesia to ensure more historical and efficient strategic behavior.
Modding
- Added advanced mathematical operators (AND, OR, XOR, NOT, lerp, atan, atan2).
- Added support for scripted unit animations and song playback restrictions for disabled radio stations.
As you were, and try not to break the world while we’re busy behind the scenes!
