Version 9.14.0 du 28/08/2026New features- Allow generating book covers using AI with different cover styles such as romance, sci-fi, pulp fiction etc.
- To use it select a book and click Edit metadata and then the "AI Generate" button. Note that you will have to configure an image generating AI provider the first time you use this feature.
- Edit book: File browser: When hovering the mouse over an image file show a floating preview of the image next to the file browser.
- Tags editor: have searching ignore accents.
- AI: Add Anthropic and Grok backends for Claude and Grok models.
- AI: Remove GitHub backend as service has been discontinued.
- Edit metadata dialog: Always scale up cover preview to fill available space while maintaining aspect ratio.
Bug fixes- Content server: OPDS: Fix a regression that caused first line of comments to be missing.
- Undo delete books: Show a progress bar when more than five books have to be undeleted.
- Get books: Fix a regression that broke show in store.
- Fix cover images with empty EXIF records not showing on Kindle lockscreen.
- Fix a regression in 9.11 that broke configuring the Folder device driver.
- Google AI: Fix the checkbox to allow search grounding invisible in the config dialog
- Fix a regression in 9.11 that broke reading metadata from HTML files in builds of calibre with Python runtime assertions enabled.
- Edit book: Jump to class: Fix @charset rule causing jump to class to be off-by-one. because it uses tiny css which ignores chaset rules while cssutils does not.
- FB2 Input: Only accept known FB2 namespaces to avoid arbitrary file write.
- Content server: Fix various arbitrary file write bugs for authenticated users.
- Content server: Fix remote code execution for authenticated users.
- Content server: Fix cross site scripting in legacy book details page.
- MOBI Output: Make palmdoc compression robust against crafted input.
New news sources- The Golfer's Journal.
Improved news sources- Pagina12.
- The Week.
- Nautilus.
- Smithsonian Magazine.
- FAZ.net.
- Daily Mail.