Software update: Caliber 4.4.0

The fourth update for version 4.0 of Caliber has been released. Caliber is an open source ebook management program and is available for Windows, Linux, and macOS. Among other things, it can look up all relevant information and cover images, and convert e-books 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. With Caliber, books can also be purchased from well-known web stores. In version 4.0 we find a completely renewed Content Server, there is a new ebook viewer and Qt WebKit has been replaced by Qt WebEngine. In version 4.4.0 the following changes and improvements have been made:

New features

  • Viewer: Allow customizing what actions appear on the toolbar (Preferences -> Miscellaneous -> Customize toolbar). Close tickets: 1852017.
  • Viewer: The –open-at command line argument now allows matching on ToC rel = “external” hrefs as well as titles.
  • Book details window: Show path to book in cover tooltip. Close tickets: 1853184.
  • Book details popup window: Add Open with actions to context menu when right clicking the cover image. Close tickets: 1852626.
  • Edit book: Check book: Mark empty id attributes in the OPF as errors. Close tickets: 1852318.
  • Viewer: Add a shortcut (Ctrl+F11) to toggle the toolbar.
  • Bulk metadata download review dialog: When clicking cancel ask for confirmation if some books have already been reviewed.
  • Bug fixes
  • PDF Output: Fix an error when using fonts with vertical metrics. Close tickets: 1852036.
  • Viewer: Fix flickering when scrollbar is enabled and the header / footer is too wide for the screen.
  • PDF Output: Improve handling of images that do not fit on a page. Close tickets: 1852205.
  • Viewer: In paged mode break long text without spaces at arbitrary points instead of overflowing to the next page. Close tickets: 1852192.
  • Viewer: Fix hang when using –open-at with single instance viewer and the specified location is already open. Close tickets: 1656573.
  • Viewer: Fix opening .txt files in the standalone viewer leaving behind a temporary index.html file in the directory of the txt file. Close tickets: 1853232.
  • Linux: Make some cache removal code robust against un-decodeable filenames in the cache directories.
  • Viewer: Fix scrolling of panels in preferences causing artifacts. Close tickets: 1851933.
  • Viewer: improve appearance of controls on small screens. Close tickets: 1851921.
  • Move close button in viewer preferences to left to match the rest of the content server UI. Close tickets: 1851937.
  • Viewer: Fix restoring user stylesheet to default not being applied until a viewer restart.
  • Viewer: Do not wait for loading of tags that are not stylesheets. Close tickets: 1851814.
  • Viewer: When using the system color theme only override link colors in the book if the theme is dark. Close tickets: 1852990. Improved news sources
  • The Atlantic
  • LifeHacker

Version number 4.4.0
Release status Final
Website Caliber
Download https://calibre-ebook.com/download
License type GPL
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