[Update] 2026-10-05 - Library grouping, more custom columns, better book data lists

[Erlend]

Added grouping and an option to change the default tap action to the library browser. Improved Calibre custom column support and the lookup/annotation lists, and added support for a few new formats.

• The library browser can now group books by author, series, format, etc (same as the items you can sort by).
• Improved performance of the grid view in the library browser.
• Added support for .txtz, .htmlz, .fbz, .md and .kepub files.
• Added support for syncing the custom columns 'last read date' and 'percentage read' to and from Calibre content servers (must be configured in Calibre settings).
• Added images, annotations and lookups to the list popup inside the book.
• Added a new page in the left side menu that shows all stored annotations and dictionary lookups for all books.
• Added functionality for manually downloading a specific format when a book has multiple formats.
• Added a setting for how the 'Open in' action works, letting you choose between an app picker or using the default app for the file type.
• Added book content search as one of the default quick buttons.
• Added quick action support for annotations list, bookmarks list, and lookups list.
• Improved the presentation of annotations and dictionary lookups.
• Minor clean-ups in the stats page user interface.
• Fixed adding Google Drive connection sometimes dying silently.
• Fixed unstable page counts in ebook files that contains multiple chapters.