Software update: Caliber 6.27

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Version 6.27 of Caliber has been released. This open source e-book management tool is available for Windows, Linux, and macOS. It can, among other things, look up all relevant information and cover images, and convert e-books to make them suitable for various types of e-readers. Furthermore, the program can convert newspapers, magazines and news articles into e-book format based on RSS feeds. Books can also be purchased with Caliber from well-known online stores.

In version 6.0 the switch to Qt 6 has been made, among other things. However, this does mean that the program only works on computers equipped with a 64bit processor and requires at least Windows 10 or macOS 11. Furthermore, you can now search all books in the library instead of just the current book, and there are also versions for Arm and Apple Silicon processors. The following changes and improvements have also been made in this update:

New features

  • Kobo driver: Support updated firmware. Closes tickets: 2034954
  • Nook driver: Add support for Nook Glowlight Plus 2023.
  • Data files manager: Allow drag and drop of files onto the list of files to add new files
  • Support 7z archives in addition to ZIP and RAR for automatic ebook extraction when adding to caliber. Closes tickets: 2036266.
  • Linux/macOS: Fix detection of the Kindle Scribe with MTP firmware.
  • E-book viewer: Allow clearing list of recently opened books from the open button’s popup menu itself. Closes tickets: 2034760.
  • E-book viewer: Add a link to show the currently viewed book in the caliber library (Go to->Metadata in the viewer controls to access it). Closes tickets: 2034905.

Bug fixes

  • Book information dialog: Fix a regression that caused incorrect color for titles in dark mode. Closes tickets: 2034999.
  • E-book viewer: Fix searching does not jump to first match if all matches are before current position in book. Closes tickets: 2034977.
  • EPUB Output: Fix duplicated title page entry in spine for books that define a title page that ends up getting split. Closes tickets: 2035579.
  • Allow for-light/dark-theme icon overrides to work for plugin icons placed by the user in the override folder.
  • PDF Output: Fix background image + text not rendering correctly if the same background image is used with different text multiple times. Closes tickets: 2035338.
  • E-book viewer: Fix section titles in highlights panel being incorrectly expanded to full titles when the section has multiple highlights. Closes tickets: 2034968.
  • Prevent Quickview window from opening in the background. Closes tickets: 2035039.
  • Edit book: Fix a regression in the previous release that caused an error when doing text based searches. Closes tickets: 2034900.

New news sources

  • Times of India Print Edition by unkn0wn
  • Hindu Feeds based by unkn0wn
  • Australian Financial Review by unkn0wn

Improved news sources

  • Ambito
  • Financial Times
  • USAToday

Version number 6.27
Release status Final
Operating systems Linux, macOS, Windows 10, Windows 11
Website Calibre
License type GPL
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