# Hearts of Iron IV HOI IV | Open Beta Weekend (1.19.2)

- Product: Hearts of Iron IV (https://whatsnew.fyi/product/hearts-of-iron-iv)
- Vendor: Paradox Development Studio
- Date: 2026-06-25
- Original notes: https://store.steampowered.com/news/app/394360/view/717908846920598021
- Permalink: https://whatsnew.fyi/product/hearts-of-iron-iv/releases/2026-06-25-hoi-iv-open-beta-weekend-1.19.2

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Pending hotjoins can no longer be overwritten by new requests
- **fixed** — Players no longer bypass the hotjoin flow when joining a lobby that has loaded into the map but not started yet
- **changed** — Expeditionary Leader trait Non-Core Attack and Defence reduced from +15% to +10%
- **fixed** — Spirit of St. Bernard tuned down to prevent excessive casualty trickleback
- **changed** — INS: Feint uprisings now cost 5000 manpower instead of 2500 but only 1500 infantry equipment instead of 2500
- **fixed** — INS: Indonesia will now core all of their starting states in the revolution
- **changed** — AST: Decreased Non-Core Attack and Defence values by roughly half on the Australian Military Forces National Spirit
- **changed** — AST: Decreased Citizen Army penalty to non-core Attack and Defence from -25% to -15%
- **changed** — AST: Rebalanced the Australian Air Branch, decreasing especially their mission efficiency
- **changed** — SIA: Increased Siam's starting stability from 19% to 29%
- **changed** — SIA: Reduced Build cost IC for Unconventional Tank Designs from -15% to -10%
- **changed** — SIA: Removed Reliability penalty for Unconventional Tank Designs and added a -5% Soft attack penalty instead
- **changed** — SIA: Reduced compliance gain from full Civilian support from 10% to 5%
- **changed** — SIA: Reduced compliance gain from the Focus Built to Withstand Every Flame from 10% to 5%
- **changed** — SIA: Reduced Research speed, Production efficiency cap, Defense, Organization, Entrenchment and Output by on average approximately 1% gained from Asian Democratic Compact per faction member
- **changed** — Updated tooltip for Establish the ABDACOM shared focus to clarify that only faction members are eligible to receive invites
- **fixed** — Fixed the description for the focus Reestablish the Guominjun to correct claim about Sinkiang leadership
- **fixed** — A subject owning a single state no longer creates a new war participant popup when joining a war
- **added** — Added a new event sound tickbox to disable or enable scripted event sounds such as speeches
- **added** — The new releasable nations in Indonesia now have access to the Nusantara and Greater Indonesia formeable decision category

Generals!

We decided it would be best to run 1.19.2 as an Open Beta over the weekend to get some potential player input over the weekend. This will allow us to make any necessary fixes as well that might pop up as a result from having a wider testing net.

The upside is earlier patch notes!

One thing I want to mention beforehand however is that there are no massive balance changes in this patch at the moment. This does not mean that we are not seeing the flagged issues, and we are aiming to do a wider balance pass, but more on that next week.

For now, thank you for the input and stay safe out there.

_**/Batya**_

**How to join this Open Beta:**

This beta client is **Operation Postern v1.19.2.0.a69c (d7b6)**

To install Open Beta client, follow the instruction below:

-  Right-click the game in your library

-  Select Properties from the drop-down menu

-  Select Game Versions & Betas

-  Select the beta branch called open_beta

If you are already on the Open Beta client, you should get an update automatically.

Finally, to report any issues you find, in relation to this beta, [please use the bug report forum](https://forum.paradoxplaza.com/forum/forums/hearts-of-iron-iv-bug-reports.951/) and make sure to include the version you’re using. That way our Jira won’t go nuts trying to figure out what bug report belongs to what.

##### **Open Beta Notes **

##### _Known issues_

-  Pending hotjoins can be overwritten by new requests, resulting in an inability to launch the game

-  Players bypass the hotjoin flow when joining a lobby that has loaded into the map, but not started yet

##### **Balance**

-  Expeditionary Leader trait Non-Core Attack and Defence reduced from +15% to +10%.

-  Tuned down the "Spirit of St. Bernard" spirit, which in combination with other things could give 105% casualty trickleback and unending armies of resurrected zombie Swiss. Fixes

-  INS: Feint uprisings now cost more manpower (2500 > 5000), but less infantry equipment (2500 > 1500).

-  INS: Indonesia will now core all of their starting states in the revolution

-  AST: Decreased Non-Core Attack / Defence values by roughly half on the 'Australian Military Forces' National Spirit .

-  AST: Decreased Citizen Army penalty to non-core Attack and Defence from -25% to -15%.

-  AST: Rebalanced the Australian Air Branch, decreasing especially their mission efficiency.

-  SIA: Increased Siam's starting stability from 19% to 29%.

-  SIA: Reduced Build cost IC for 'Unconventional Tank Designs' from -15% to -10%.

-  SIA: Removed Reliability penalty for 'Unconventional Tank Designs' and added a -5% Soft attack penalty instead.

-  SIA: Reduced compliance gain from full Civilian support from 10% to 5%.

-  SIA: Reduced compliance gain from the Focus 'Built to Withstand Every Flame' from 10% to 5%.

-  SIA: Reduced Research speed, Production efficiency cap, Defense, Organization, Entrenchment and Output by on average ~1% gained from Asian Democratic Compact per faction member.

##### **Gameplay**

-  Updated tooltip for "Establish the ABDACOM" shared focus to make it more clear that only faction members are eligible to receive invites to join the ABDACOM.

-  Fixed the description for the focus "Reestablish the Guominjun" to not make the rather bold claim that Sinkiang was led by Moustache Man in the 1939 start. Fixes

-  A subject owning a single state no longer creates a 'new war participant' popup when joining a war.

-  Added a new event sound tickbox to disable/enable scripted event sounds. For example speeches.

-  The new releasable nations in Indonesia now also have access to the Nusantara/Greater Indonesia formeable decision category

-  Added joint focus tree icons to ABDACOM focuses.

-  INS: Clarified the effect of the Focus 'Privately Owned Military Industry'.

-  INS: The Indonesian focus 'The Timor Issue' will now dynamically switch icons & loc if Timor is independent.

-  INS: Indonesia can now core East Timor using Unity in Diversity de

_[Truncated at 4000 characters — full notes: https://store.steampowered.com/news/app/394360/view/717908846920598021]_