Opus Magnum
🛠️ Opus Magnum 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.
July 2026
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7/29Wed🛠️ Patch / updateUPDATE: Small bug fixes
This update fixes a few small bugs: Fixed a bug in today's earlier update where the folder picker dialog on Windows was stuck behind the game window (I have three monitors and did not notice, sorry no…
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7/29Wed🛠️ Patch / updateUPDATE: In-game option for setting the GIF output directory
Today's update adds an in-game option for setting the GIF output directory. Clicking the "SET" button should open an OS-level folder picker dialog, which seems like exactly the kind of thing that won'…
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7/9Thu🛠️ Patch / updateUPDATE: Russian journal translation
Today's update adds a Russian translation for the Journal of Alchemical Engineering, contributed by TrottingHeart from the unofficial Zachtronics Discord.
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7/4Sat✨ New contentUPDATE: Korean DLC translation
Today's update actually contains a Korean translation of the De Re Metallica DLC, unlike last week's update that only translated the puzzle names and the Journal of Alchemical Engineering. Thanks agai…
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7/1Wed✨ New contentUPDATE: Korean DLC and journal translation
Today's update adds a Korean translation for the De Re Metallica DLC campaign and the Journal of Alchemical Engineering, contributed by Haxton from the unofficial Zachtronics Discord. It also contains…
June 2026
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6/18Thu🛠️ Patch / updateUPDATE: Minor improvements
Today's update includes the following changes: Puzzles in the journal now have a variety of music instead of a single song. Fixed a crash when loading a solution that referenced an input or output tha…
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6/17Wed🛠️ Patch / updateUPDATE: Various quality-of-life fixes
Today's update adds a few small quality-of-life fixes: You can now click on the journal issue name to open a menu that lets you quickly select a different journal issue. The current journal issue is n…
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6/17Wed📢 AnnouncementVolume CVIII, Issue XII: Highlights from the Alchemical Exposition
Today's update adds the final issue of the Journal of Alchemical Engineering, at least for now. It also adds a new achievement, The Way of the Philosopher, for players who solve at least one puzzle in…
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6/10Wed📢 AnnouncementVolume CVIII, Issue XI: Small-Scale Construction Crafts
Today's update adds a new issue to the Journal of Alchemical Engineering. Volume CVIII, Issue XI: Small-Scale Construction Crafts While research to support the large-scale building projects initiated …
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6/5Fri✨ New contentUPDATE: Portuguese and Russian fan translations for the DLC
Today's update adds Portuguese and Russian fan translations for the De Re Metallica DLC. Many thanks to Yuri Nikolai and TrottingHeart respectively!
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6/4Thu🛠️ Patch / updateUPDATE: Upgrading to a newer version of the Steam API
Today's update upgrades the game to a newer version of the Steam API, which should fix a crash on Mac when attempting to browse to Steam Workshop from in-game.
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6/3Wed📢 AnnouncementVolume CVIII, Issue X: Inside the Soria Glassworks
Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: https://tally.so/r/KYDzWX Volume CVIII, Iss…
May 2026
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5/28Thu🛠️ Patch / updateUPDATE: Additional input for Shimmering Chain
Today's update adds an additional salt input to the Shimmering Chain journal puzzle.
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5/27Wed📢 AnnouncementVolume CVIII, Issue IX: Frontiers of the Infinite
Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: https://tally.so/r/KYDzWX Volume CVIII, Iss…
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5/20Wed📢 AnnouncementVolume CVIII, Issue VIII: Apothecary Roots
Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: https://tally.so/r/KYDzWX Volume CVIII, Iss…
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.