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Spring Cleaning - Patch 1.5.7f1

Cities: Skylines II · Community Announcements · April 29, 2026

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Hello Mayors!

Patch 1.5.7f1 is now live, and we’re excited to get your feedback. As always, if you have anything that you would want to report after playing 1.5.7f1, then you can submit a bug report over on our forum!

Big changes are also coming to Paradox Mods! Previously, all actions in the in-game Paradox Mods required the mod downloads to be completed before moving on to the next step, like browsing and adding more mods. In this patch, this behaviour is changed so that actions and mod downloads are no longer dependent on each other. The tracking of mod downloads has also been made more precise and consistent, with the addition of parallel downloads and a queueing process. You can read more about the changes for Paradox Mods from the Dev Diary - Updates for Paradox Mods that we posted last week.

With this update to the SDK, script-mod creators will have to recompile their mods so that they can be compatible. So, if you use mods, please give your favorite mod creators time to update their mods so that you don’t experience glitches/unintended bugs.

New features:

Gameplay:

UI:

Visual:

Misc:

Bridges & Ports:

Paradox Mods:

Known Issues:

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