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Cities: Skylines II

PatchBot will keep your Discord channel up-to-date on all the latest Cities: Skylines II patch notes.

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Latest Updates

Hotfix - Patch Notes 1.5.3f1

Hello Mayors!

Thanks for all the reports related to the disappearing UI, and we're happy to say that we've now released a hotfix in 1.5.3f1 to fix this!

Patch Notes:

  • Fixed an issue that caused Code Mod UI elements not to load in-game.

If you have anything that you want to report, please post a thread on Paradox Forums at this link: https://pdxint.at/CSIIBugReporting. It's the best place for us to gather all the information that we need to fix it and improve the game.

Asset Mods Patch

Hello Mayors! We are excited to share the first iteration of the Asset Mods implementation for Cities: Skylines II! This patch contains a beta update to the Editor that supports asset mods. This will require an update across the base game and all DLCs to support the new way of asset handling, meaning you will see an update to all previous content released for Cities: Skylines II. This update does not change anything about the content in the DLC, just making them compatible with the new Patch. ...

Bike Patch 1.4.2f1

Hello Mayors! Bikes! And also traffic fixes! Speaking of traffic fixes, we have noticed the growing crowds that have been building up on your streets after the last update, and we have included some balancing to try to alleviate the amount of pedestrian traffic. If you haven’t read the Developer Diary that we posted yesterday about all things bicycles, you can read it here! We...

Bike Patch - Announcement Post

Hello Mayors! Bikes are coming to your cities! Colossal Order has written a Developer Diary where they go over the bike system, the new bike lanes, biking policies, and the buildings that are required to optimize bike use in your city. You can read it here. BUT THAT’S NOT ALL! ...

Bridges and Ports - 1.3.6f1 Patch Notes

Hello Mayors! Bridges & Ports has docked, and we have a shipment of Patch Notes! We hope that you have enjoyed the two Developer Diaries and the two Feature Highlight videos, but if you have missed them, you can find them here. https://youtu.be/usC_JmcR45c

...

Unity Hotfix

Hello mayors! Here is a Hotfix addressing security-related concerns in the Unity version used in Cities: Skylines II. You can read more about it here: https://unity.com/security/sept-2025-01

These security concerns do not affect Cities: Skylines (1), and it will not require any patching.