🛠️ Cities: Skylines update history
Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.
April 2026
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4/15Wed🛠️ Patch / update v1.21.1Patch Notes for 1.21.1-f9
We have a very small update for you all today that covers the bugs reported to us over the past week. We think that this will be the last one! This update is very minor and should not affect mods and …
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4/7Tue🛠️ Patch / update v1.21.1Patch Notes for patch 1.21.1-f8
Race Day 1.21.1-f8 Patch NotesHello Mayors! We have a small patch for Cities: Skylines - Race Day. This patch should have little to no effects on Mods functionality. Here are the Patch Notes: All plat…
March 2026
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3/17Tue🛠️ Patch / update v1.21.1Patch Notes for patch 1.21.1-f7
Hi all! We have a small patch today with several fixes listed below. Changelog: All platformsFixed the races and parade event cost to match that shown in the UIFixed Motor Racetrack with Single Curb i…
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3/10Tue🛠️ Patch / update v1.21.1Race Day Patch 1.21.1-f4 - State of Mods and Patch 101
On March 10 at 10 AM CET, the latest patch for Cities: Skylines will go live. Along with the new Expansion, there is also the free patch, given to and released to EVERYONE who owns the game.There are …
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.