🛠️ Cities: Skylines IIのアップデート履歴
開発元がSteamで公開した公式告知（パッチ、新コンテンツ、イベント）を時系列でまとめています。タイトルをクリックすると全文を読めます。
2026年9月
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9/16水🛠️ パッチ / アップデート v1Patch 1.6.2f1 - Autumn Breeze
Hello Mayors!Patch 1.6.2f1 is now live, bringing a number of improvements to gameplay mechanics, such as garbage truck logic, citizen financial behavior, and company renting priorities, with the addit…
2026年6月
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6/22月🛠️ パッチ / アップデート v1Patch 1.6.0f1 - Summer Solstice
This patch can affect some custom maps, but loading of old maps and savegames is supported.Gameplay:Fixed a bug where citizens would always travel to the shop with the most stock, completely ignoring…
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6/1月🛠️ パッチ / アップデート v1Hotfix - Patch 1.5.10f1
This patch should not affect mods, and loading of old savegames is supported.After our previous patch, we received a lot of reports about being unable to save, or receiving ‘NotSupportedException’ err…
2026年5月
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5/29金🛠️ パッチ / アップデートUpdate to Saving Bug
Hello Mayors! We are currently working on a fix for the saving bug, so if you're experiencing an issue with your save action getting stuck, please try launching the save with this new branch!We have o…
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5/27水🛠️ パッチ / アップデート v1Patch 1.5.9f1 - Morning Dew
Hello Mayors!Patch 1.5.9f1 is now live, bringing improvements to the vehicle pathfinding and fixes to some of the bugs you have reported through PDX Forums! There is also a significant update to shado…
出典：Steam公式告知（6～24時間ごとに更新）。タイトルと概要の著作権は各開発元に帰属します。