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Cities: Skylines

Cities: Skylines

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🛠️ 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.

Latest update · Apr 15
🛠️ Patch Notes for 1.21.1-f9 Version 1.21.1
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October 2026

April 2026

  • 4/15Wed
    🛠️ Patch / update v1.21.1
    Patch 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 …

  • 4/7Tue
    🛠️ Patch / update v1.21.1
    Patch 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

  • 3/17Tue
    🛠️ Patch / update v1.21.1
    Patch 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…

  • 3/10Tue
    📢 Announcement
    Race Day, Iconic Brutalism, and Renewed History is live!

    The wait is over, mayors. The anniversary content for Cities: Skylines is live now.Starting today, you can hit the streets with Race Day, the brand-new expansion developed by Tantalus Media. Build ded…

  • 3/10Tue
    🛠️ Patch / update v1.21.1
    Race 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 …

  • 3/9Mon
    📢 Announcement
    Dev Diary - Iconic Brutalism by Cristolisto

    Howdy y’all! My name is Cristolisto, and I'd like to welcome you to my developer diary, where I'll be sharing insights into the creation of my content creator pack: Iconic Brutalism.Since November 201…

  • 3/7Sat
    📢 Announcement
    Dev Diary - Renewed Cities by Brum

    Hello everyone!Welcome to my Developer Diary about the Content Creator Pack: Renewed Cities for Cities: Skylines. First of all, let me introduce myself: I’m Brum, a Brazilian architect and designer pa…

  • 3/6Fri
    ✨ New content
    Dev Diary - Race Day #3 - Free Update

    Welcome back, mayors! In this third Developer Diary, we wanted to showcase all the free content coming in the update alongside the launch of Race Day Expansion. And just to clarify, you are not requir…

  • 3/6Fri
    📢 Announcement
    Cities: Skylines is Free to Play!

    Cities: Skylines is Free to Play!For a limited time, Cities: Skylines is free to play for the whole weekend! Whether you’ve been watching from the sidelines or meant to revisit your grandest metropoli…

  • 3/4Wed
    📢 Announcement
    Dev Diary - Race Day #2: Parades and other Races

    Welcome back, mayors! Time for the second Race Day Dev Diary from Tantalus! Today, we pull our motor race cars into the pit lane and cover the other types of events that can be held using the new Race…

  • 3/3Tue
    📢 Announcement
    Dev Diary - Race Day #1 - Races

    Hello from Tantalus Media! We’ve been making the console ports of Cities: Skylines that were first released on Xbox One and PlayStation 4 back in 2017. Since then, we made the Remastered Editions for …

  • 3/2Mon
    📢 Announcement
    Lower Subscription Prices!

    Take your city-building to the next level with unlimited access to everything Cities: Skylines has to offer. The Expansion Subscription grants you instant access to all released DLCs, every new Expans…

  • 3/2Mon
    📢 Announcement
    Happy Birthday, Cities: Skylines!

    A word from The Cities TeamEleven years of city-building, creativity, and a community that keeps raising the skyline.This month, Cities: Skylines turns 11. What started with a handful of carefully pla…

October 2025

  • 10/30Thu
    📢 Announcement
    Get your very own Captain Chirper!

    While we made this with the new Bridges & Ports DLC for Cities: Skylines II in mind, we have to recognize the original game when it comes to this iconic blue bird!Chirper has put on their captain's ha…

Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.