Patch Changelog
This changelog tracks official public patch notes for Librarian: Tidy Up the Arcane Library! and links each change back to the wiki pages a player is most likely to use.
Latest Checked Patch
Section titled “Latest Checked Patch”The latest official patch announcement in the Steam news feed is Patch Notes - Version 1.0.13, posted on July 17, 2026. It adds a Vignette setting, lets players stack all books in hand by holding Drop Book, adds Recall Stone and stacking tutorials, improves the starting spawn, and fixes the displayed Render Scale value after preset changes.
Official Patch Pages
Section titled “Official Patch Pages”| Date | Patch | Player impact | Important wiki pages |
|---|---|---|---|
| July 17, 2026 | Patch Notes - Version 1.0.13 | Adds a Vignette setting, lets players stack all books in hand by holding Drop Book, adds two tutorials, improves the starting spawn, and fixes the Render Scale value shown after changing presets. | Book Sorting Basics, Controls, Book Placement, 399/400 Troubleshooting |
| July 15, 2026 | Steam Cloud Sync Fixed | Fixes Steam Cloud sync for save data after the Version 1.0.12 save-method change; Steam may need to be restarted before the fix takes effect. | Autosave and Safe Quits, 399/400 Troubleshooting, Version 1.0.12 |
| July 13, 2026 | Patch Notes - Version 1.0.12 | Adds manual save and load with multiple save slots, renames the save file to GameData.sav, adds four settings, and fixes binding, mouse-invert, and Special Stage branch crashes. | Autosave and Safe Quits, 399/400 Troubleshooting, Steam Cloud Sync Fixed, Controls, Special Stage, Special Stage mode |
| July 8, 2026 | Version 1.0.12 Branch Release | Makes Version 1.0.12 available on a Steam beta branch with manual save and load slots, four settings, input fixes, automatic save migration, and a backup warning. | Version 1.0.12, 399/400 Troubleshooting, Autosave and Safe Quits, Controls |
| June 23, 2026 | Patch Notes - Version 1.0.11 | Re-releases Version 1.0.11 after the June 20 rollback, changes level loading, optimizes book loading during level transitions, targets startup Fatal Error reports, and adds first-launch performance settings. | Books, Book Sorting Basics, 399/400 Troubleshooting, Controls |
| June 20, 2026 | Version 1.0.11 Rollback Notice | Temporarily rolls the game back to Version 1.0.10 because a critical issue in the latest update affected game progression. | Version 1.0.10, 399/400 Troubleshooting, Autosave and Safe Quits |
| June 20, 2026 | Patch Notes - Version 1.0.11 Initial Release | Initial Version 1.0.11 release optimized book loading logic during level transitions and added first-launch performance settings, but was rolled back the same day. | Books, Book Sorting Basics, 399/400 Troubleshooting, Controls |
| June 8, 2026 | Patch Notes - Version 1.0.10 | Fixes long-title display issues in the book list, raises Recall Stone recovery from 10 books to a max of 20 books, optimizes book collision detection, and adjusts default mouse sensitivity. | Books, Book Sorting Basics, Controls, 399/400 Troubleshooting, Anti-Magic Rules, Book Placement |
| June 7, 2026 | Patch Notes – Version 1.0.9 | Adds keybinding options, optimizes save data and saving, fixes chest audio-settings behavior, and fixes some Cantonese text rendering. | Controls, Autosave and Safe Quits, 399/400 Troubleshooting, Changelog |
| May 21, 2026 | Version 1.0.9 Branch Release | Adds keybinding options, changes the save system on a beta branch, fixes audio-settings behavior for chests, and fixes some Cantonese text rendering. | Controls, Autosave and Safe Quits, 399/400 Troubleshooting, Changelog |
| May 8, 2026 | Update Issues and Version Rollback Notice | Makes versions 1.0.4 through 1.0.7 available as Steam beta branches for players affected by update problems. | Autosave and Safe Quits, 399/400 Troubleshooting |
| May 6, 2026 | Patch Notes - Version 1.0.8 | Fixes a startup crash. | 399/400 Troubleshooting |
| May 6, 2026 | Patch Notes - Version 1.0.7 | Fixes a crash caused by loading tasks executing too early during initialization. | Autosave and Safe Quits |
| May 6, 2026 | Patch Notes - Version 1.0.6 | Fixes a hardware optimization crash and book transform loading errors. | 399/400 Troubleshooting, Books, Book Sorting Basics |
| May 5, 2026 | Patch Notes - Version 1.0.5 | Adds Recall Stone recovery, fixes volume display problems, improves first-floor map visibility, and fixes several settings/controller/performance issues. | 399/400 Troubleshooting, Anti-Magic Rules, Books, Book Sorting Basics, Shelf Map, Controls |
| May 3, 2026 | Patch Notes - Version 1.0.4 | Fixes an Auto-Shelving visual/gameplay lock, a Special Stage inspection stuck case, and gives a temporary invisible-book workaround. | Auto-Shelving, Special Stage, Special Stage mode, 399/400 Troubleshooting |
| May 1, 2026 | Patch Notes - Version 1.0.3 | Adds a head-bobbing option and fixes Auto-Shelve, footstep, book cover/title, typo, and skill cooldown bugs. | Controls, Auto-Shelving, Books, Abilities, Magic Progression |
| April 30, 2026 | Patch Notes - Version 1.0.2 | Adds Motion Blur and V-Sync options, adds two book covers, and fixes special-stage achievements and text/UI issues. | Controls, Books, Special Stage, Achievements Guide, Changelog |
| April 30, 2026 | Emergency Update Version 1.0.1 | Fixes an Auto-Shelve ability bug. | Auto-Shelving |
Build-Only SteamDB Records
Section titled “Build-Only SteamDB Records”SteamDB can show app record/build changes that do not have public patch-note text attached. Those records confirm that something shipped, but they are not enough by themselves to change player guidance.