Software update: Caliber 5.25

Version 5.25 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. Version 5.0 has included a switch to Python 3, various improvements have been made to the e-book viewer and there is now also a dark mode for the e-book viewer and content server. The following changes and improvements have been made in this release:

New features

• Edit/Polish book: Remove unused CSS now also removes unreferenced stylesheets. Close tickets: 1939469.
• E-book viewer: Add some CSS variables and classes that allow writing caliber specific CSS in ebooks. see https://manual.calibre-ebook.com/viewer.html#designing-your-book-to-work-well-with-the-calibre-viewer.
• A new framework plugins can use to be notified about changes to caliber libraries.
• Edit metadata dialog: When pasting into the identifiers field if the clipboard contains a URL paste it directly as a URL identifier. Close tickets: 1938752.

Bug fixes

• E-book viewer: When displaying popup footnotes use the same writing direction as the main text for the footnote popups size and header. Close tickets: 1938448.
• E-book viewer: Improve the text layout when looking up words in Google.
• Content server viewer: Fix read aloud not working on mobile browsers.

Improved news sources

• The Guardian and The Observer
• Wall Street Journal
• The Atlantic