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 useful official patch announcement found in the Steam news feed is Patch Notes - Version 1.0.10, posted on June 8, 2026. It fixes long-title book-list display, raises Recall Stone recovery to a max of 20 books, optimizes book collision detection, and adjusts default mouse sensitivity.
Official Patch Pages
Section titled “Official Patch Pages”| Date | Patch | Player impact | Important wiki pages |
|---|---|---|---|
| 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.