If you are looking for the official changelog applied to the game in this specific version, the developer notes included:
Improved the save system to support legacy game saves from older versions of the client. Plutocracy.v0.233.5.rar
Plutocracy (A 19th-century capitalism and political simulator developed by Redwood). If you are looking for the official changelog
The rules for measuring market share progress were adjusted so that companies only count toward tasks if you personally own more than 50% of the shares. 🛡️ Recommended Actions or are considering doing so
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v0.233.5 (This specific game patch was pushed directly to the official main branch on Steam in late December 2022).