Software update: Caliber 5.36

Version 5.36 of Caliber has been released. This open source ebook manager is available for Windows, Linux, and macOS. Among other things, it can look up all relevant information and cover images, and convert ebooks to make them suitable for the various types of e-readers. Furthermore, the program can convert newspapers, magazines and news articles based on RSS feeds into e-book format. Books can also be purchased with Caliber at the well-known web stores. The following changes and improvements have been made in this release:

New features

  • Edit metadata dialog: Allow controlling which custom columns are present in this dialog via Preferences->Look & feel->Edit metadata.
  • Edit metadata dialog: Allow manually sizing the various sections of the dialog in “All on 1 tab” mode.
  • Edit book: Spell checking: Update the bundled English and Spanish dictionaries.
  • BibTeX catalogs: Support tags like custom columns. Close tickets: 1958773

bug fixes

  • Amazon metadata download: Fix paragraphs in the comments being merged. Close tickets: 1959659
  • metadata download: Fix published date and series information not being fetched for some books. Close tickets: 1958979
  • Email delivery: Fix sending email via Hotmail not working since this week because Microsoft changed the SMTP server name.
  • Do not remove articles for titles in the Polish language. Close tickets: 1959220
  • E-book viewer: When using Read aloud do not automatically lookup the highlighted word until read aloud is paused or stopped. Close tickets: 1959207
  • E-book viewer: Fix Ctrl+P shortcut for printing not working.
  • Show an error when viewing a specific format and the file is missing. Close tickets: 1958882
  • Edit book: Fix renaming of classes that start/end with non word characters not working
  • Edit book: Preview panel: Fix hyphenation at end of line being rendered as boxes on macOS. Close tickets: 1958730
  • Fix incorrect selection size displayed in Trim image dialog when image is scaled down to fit. Close tickets: 1959893
  • Edit book: Fix pasting files from another editor instance failing if a file with the same name already exists. Close tickets: 1959782
  • When reviewing metadata if the newly downloaded metadata has no language but there is an existing language, ensure it is preserved. Close tickets: 1959981

New news sources

  • title by author

Improved news sources

  • India Today
  • Financial Express
  • Indian Express
  • Live Mint
  • Al Jazeera in English
  • The Financial Express
  • The Straits Times

Version number 5.36
Release status Final
Operating systems Windows 7, Linux, macOS, Windows 8, Windows 10, Windows 11
Website caliber
File size


License type GPL