Cities: Skylines — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Patch Notes for 1.21.1-f9 | 2026-04-15 | 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 asset functionality.Fixed a bug where trees placed on roads would go back to default trees when reloading the save file.Fixed a bug where trolleybuses became invisible. |
| Patch Notes for patch 1.21.1-f8 | 2026-04-07 | 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 platforms Added additional tooltips for the new Road Fence ToolFixed errors after loading a save game with non-Race Day events, such as Concert or StadiumFixed errors when connecting two Start-line Parks with Event RoadsAdded sounds to occupied Race Day Stand buildings when an event is activeFixed spectators not attending motor race events at the Race HQReduced the spectator capacity at the Race HQ from 150 to 100Halved garbage accumulation for Race |
| Patch Notes for patch 1.21.1-f7 | 2026-03-17 | 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 is not being reversibleFixed incorrect Uneducated values in the Employment Info View PanelLinuxFixed the issue where the placeholder 8-Gear Radio station icon was being displayedSteam (Asset Editor)Added support for new Race Day assetsFixed error when importing a custom FBXAdded lots of tooltips to fields and other buttonsAdded double-click select-and-continue in some panelsRemoved unnecessary refresh of template panel when selecting same asset ty |
| Race Day, Iconic Brutalism, and Renewed History is live! | 2026-03-10 | 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 dedicated racing venues, map out running and cycling routes through your city, and line the roads with cheering crowds as competitors speed past your skyline. Whether you’re designing a professional circuit or weaving a course through downtown, it’s time to bring a new kind of spectacle to your city. Also available today: Alongside the paid content, a free patch is now live for all players, adding road fences and a new Employment Info View, giving y |
| Race Day Patch 1.21.1-f4 - State of Mods and Patch 101 | 2026-03-09 | 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 significant changes in the code for this patch, so this update will probably break many mods. If you use mods, this is good information to have for tomorrow.While some modders have been able to update their mods before this update goes live, they might not be able to update their mods as soon as it goes live.We understand that picking up an old project from many years ago isn’t always the easiest, and with all the changes that are included in thi |
| Dev Diary - Iconic Brutalism by Cristolisto | 2026-03-09 | 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 2015, I've been designing and publishing assets for the Cities: Skylines Steam Workshop, with a primary focus on North American commercial buildings, educational buildings, and public transit vehicles.I'm a Houston, Texas native inspired by architecture and trains, which I express through my creations.What’s Included:This content creator pack features a collection of 26 buildings. The pack includes:2 Healthcare buildings2 Police Stations2 Fire Stati |
| Dev Diary - Renewed Cities by Brum | 2026-03-06 | 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 passionate about architecture, urbanism, and a big fan of Cities: Skylines. Living in a tropical country, I’ve always loved assets that represent my place and culture. But, there weren’t as many of them on the Workshop as I’d like. That’s why, at the end of 2022, I started learning 3D modeling and began creating Brazilian historical buildings and contemporary assets from tropical countries.Some assets from my Workshop, which I opened in 2022.Howeve |
| Dev Diary - Race Day #3 - Free Update | 2026-03-06 | 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 required to own the Expansion to enjoy these features; it will be available for everyone!Roadside FencesFences can now be added to roads! Just like trees, you can select the fence you want and apply it to the roadside. This will work for any fence type on just about any road type.Left-clicking on a road with the Fence selected will add it to the side nearest to the cursor or selection. Right-clicking will remove the fence.If the Fence placement tool is |
| Cities: Skylines is Free to Play! | 2026-03-05 | 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 metropolis, this is the perfect moment to step into the mayor’s office.Design road networks with flair, shape districts with personality, and watch your citizens go about their daily routines. Every decision matters. A single intersection can smooth traffic across the map or bring the whole city to a standstill.With eleven years of community creativity behind it, Cities: Skylines offers a city-building sandbox shaped by players who turned simple grids int |
| Dev Diary - Race Day #2: Parades and other Races | 2026-03-04 | 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 Day Expansion. Parades, Running Races, and Bicycle races can all be held using the new Event Parks and Event Roads. Creating an event route To establish a route for your events to be held on, first, we should identify a start and finish point within the city. The Start-line Park will be the main building and starting point for parades, running races, and cycling races. Once you are satisfied with the start, a Finish-line Park can then be built w |
| Dev Diary - Race Day #1 - Races | 2026-03-03 | 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 Xbox Series and PlayStation 5 in 2023, and have been the main developers on the PC version since 2024. And we’re now proud to bring you an entire new DLC worth of content! Creating a motor race track Race Day centers around creating routes for different events to be held through your city. Motor Races can be held on permanent dedicated Race Roads, excluded from the traffic of your existing cities, or hosted in part on an Event Road, temporarily c |
| Lower Subscription Prices! | 2026-03-02 | 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 Expansion, Content Creator Pack, and Radio Station added in the future, for as long as your subscription is active.In order to enjoy the content included in the Expansion Subscription, you will need to own the Cities: Skylines base game.1 month:Previous price: USD 9.99New price: USD 7.99 / GBP 6.99 / EUR 7.993 months:Previous price: USD 19.99New price: USD 13.99 / GBP 11.99 / EUR 13.996 months:Previous price: USD 29.99New price: USD 24.99 / GBP 20.99 / |
| Happy Birthday, Cities: Skylines! | 2026-03-02 | 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 placed roads has grown into vast regions of glass buildings, tangled highway interchanges, sleepy suburbs, and transport networks that are always at 100% efficiency. Every district painted, every mod installed, every comment and piece of feedback has shaped this journey. The past eleven years belong as much to you as they do to us. During the Month of March, we will be celebrating you and the new editions to both of our games, both for Cities: Skyli |
| Get your very own Captain Chirper! | 2025-10-29 | 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 hat and is ready to command the seas!You can get yours now at https://pdxint.at/CptChirper! |
| Shops of Shibuya and Map Pack 4 are available now! | 2025-09-24 | Hello mayors!The new Content Creator Packs have arrived! Created by the super-talented Asset Creator Stop it D and the magician of Map Creation Uncle Ron, Shops of Shibuya and Map Pack 4 are now available. If you’re interested in news about Cities: Skylines II, keep an eye out next week when we’ll be sharing a small update.The Packs are designed by the well-known community creators mentioned above and implemented by Tantalus Media to Cities: Skylines, and they join the growing library of unique assets inspired by cities around the world.Piccana takes us on a tour of the two new Content Creator Packs in the a deep-dive video! You can watch it |
| Shops of Shibuya Bundle Announcement | 2025-09-10 | Hello Mayors!We're thrilled to announce two new Creator Packs and one new Radio Station for Cities: Skylines! For those excited for Cities: Skylines II, we are getting closer to being able to share a release date with you all for Bridges & Ports. And before that, we have a small surprise that we think will make the wait more lekker. But first, a drop for the original. Enjoy these Creator Packs! Shops of Shibuya by ‘Stop it D.’, Map Pack 4 by Uncle Ron, and Harumi Nights Radio Station, all implemented by Tantalus Media!Shops of ShibuyaDiscover one of Japan's most iconic districts with Shops of Shibuya, created by community creator ‘Stop it D.’ |
| New Content and Anniversary Patch - 1.19.2-f3 | 2025-03-25 | The 10th-anniversary celebration continues with 2 brand-new Content Creator Packs and a Radio Station for Cities: Skylines - Available Now! There is a very small patch that will go along with these Creator Packs, you can find the smallest list at the bottom of this post! The highlight, of course, is the content included in the free patch. Let’s unpack this gift! Check out the Downtown to Countryside Bundle HERE! -------------------------------------------------------------------------------------------------------------- Cities 10th Anniversary Free Patch: New parks! 10 years of Cities: Skylines and a small tribute to this long journey. The C |
| Cities: Skylines Steam Free-to-Play Begins | 2025-03-20 | The birthday celebrations are in full swing! Consider this your VIP pass to the Cities: Skylines 10th Anniversary bash on Steam. Cities: Skylines is now Free-To-Play on Steam for a limited period! Whether you're a longtime city planner or just starting out, this is your ultimate opportunity to dive into the city-building experience. Alongside the Free-to-Play period, we're offering incredible discounts with deals on the Base Game, the expansion catalogue and a Starter Deluxe Edition for new players. If you haven’t checked out our new subscription service for Cities: Skylines or have questions about how it works, we’ve put together a handy FAQ |
| 10 Years of Cities: Skylines | 2025-03-10 | We’re turning 10 today, a milestone made possible by the passion and creativity of our incredible community. From the first roads placed to the sprawling metropolises of today, this decade has been shaped by the dedication of city builders like you—whose feedback, support, and love for the game continue to inspire us every day. As we mark this incredible milestone, we’re dedicating March to celebrating you! This will be a month to remember, with a special anniversary roadmap featuring new content, new releases, events, contests, and of course, birthday presents to revisit the legacy of Cities: Skylines. Colossal Order put it in their own word |
| Mountain Patch - 1.18.1-f3 | 2024-10-29 | Hello Cities Mayors, We are thrilled to announce that we have brand-new content for Cities: Skylines, developed by two amazing Content Creators, all implemented by our talented partners at Tantalus! This content has been in the works for some time as we know many of you still love building and expanding your cities in the original Cities: Skylines. Whether you’re a long-time fan or just discovering the game, these new additions help expand the range of your cities, with a Mountain Village Pack and Map Pack 3 with new maps that focus on mountain peaks and alpine terrain. Plus, for those who love the sounds of trees whispering in the wind, the |