Calibre eBook Management Software (free, open-source, cross platform)


The News Robot
Jul 28, 2004
calibre 4.2

New Features

  • macOS: Various improvements to dark mode support
  • Viewer: Dont generate covers for books that dont have a cover. Note that because of this all previously opened books will again be prepared for first time reading.
  • Viewer: Restore print to PDF functionality
  • Viewer: Allow also jumping to book positions in Goto->Location
  • Content server: When adding books and a duplicate is suspected provide more information about what books match the duplicate
  • FB2 Output: Speed up conversion of images and handle external links
  • Viewer: If the book has no ToC try to generate one from headings, if any.
  • Viewer: Improve rendering of comics. No blank pages after large images or after every image in multi-page mode.
  • Viewer: Make it easier to use the bookmarks panel with only keyboard.
  • Viewer: Set the classes calibre-viewer-paginated and calibre-viewer-scrolling on the tag in Paged and Flow modes. This allows the User styles to target these modes, if needed.
    • Viewer: Use the same loading spinner as is used by the rest of calibre

Bug Fixes

  • Edit book: Fix a crash when editing CSS files caused by a behavior change in Qt 5.13.
  • Fix a regression in 4.0 that broke rendering of PDF covers for PDF files that used JPEG2000 compression.
  • Viewer: Fix a regression in 4.1 that broke creating new color schemes
  • Viewer: Fix error while viewing books with a comment after a tag.
  • Viewer: Fix an error when processing a CFI with an invalid text offset.
  • Viewer: Fix scrolling backwards to previous chapter not always scrolling to the end of the chapter, if the chapter loads external resources.
  • Viewer: Fix hang on books with namespaced attributes on that do not belong to a known ebook namespace.
    • Viewer: Fix search history not persisting between viewer restarts.
    • Viewer: Fix scrollbar showing up on initial book open even if disabled in preferences.
    • Viewer: Fix rendering of books with mathematics failing
    • Viewer: When changing between individual sections/chapters in the book, only render the new chapter after loading is complete
    • Viewer: Fix scrolling by screenfuls not working correctly in flow mode
    • EPUB 2 metadata: Fix obfuscated fonts being broken when updating metadata if the file uses Adobe font obfuscation and the identifier with the key has an uppercase UUID scheme name.
    • Viewer: Fix right clicking on margins not showing controls
    • Viewer: Preselect text in search box when showing it.
    • Viewer: Fix SVG images that use xlink:href to refer to paths not being displayed.
    • Content server: Fix detection of iOS on iPAD with iOS 13 which defaults to desktop mode
    • Metadata jacket: Fix
      tags in the comments not being rendered correctly when inserting the comments into the jacket page.
    • Viewer: Show nicer error message for DRMed books
    • Viewer: Fix preferences under Scrolling behavior not being saved correctly
    • Viewer: Fix remembered position sometimes off by one page in paged mode.
    • Viewer: restrict max size of margin page turn indicators to 25px rather than 75px
    • Viewer: Dont flash the home page before loading a book if a book has been specified
    • Viewer: Fix ctrl+m shortcut not working on windows
    • Content server: Fix regression that caused series name in book details view not not be blue to indicate it is clickable

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The News Robot
Jul 28, 2004
calibre 4.3

New Features

  • Viewer: Halve the time taken to prepare large EPUB files for first open
  • Viewer: Add an optional toolbar with common actions turn it on under Preferences->Miscellaneous
  • Viewer: Change the default color scheme to "System" which matches the colors used by the rest of calibre/the operating system. Also means the colors change automatically when the system color theme changes.
  • Viewer: Add a keyboard shortcut ; to go to a book location or position
  • Viewer: Add a control to easily reset the interface to defaults
  • Viewer: Allow also using --open-at with book positions
  • Viewer: Add command line option to force reloading of books
Bug Fixes

  • Content server: Fix conversion of comics not working.
  • Book details: Allow right click to copy author links and identifiers
  • Book details: Fix removal of identifiers via right click not working
  • Book details: Fix clicking on tags etc not generating exact match searches
  • Viewer: When resizing and the resizing back to the old size ensure we return to the same page in paged mode.
  • Duplicates dialog: Sort sub-list of matching books already in calibre by author for easier inspection.
  • PDF Output: Fix links that go to destinations in the same file not working.
  • Viewer: Fix changes to keyboard shortcuts not being applied until viewer is restarted.
  • DOCX Input: Fix AlternateContent blocks rendering both choice and fallback sections.
  • macOS: Fix unable to re-arrange entries in the CSV catalog list.
  • Windows: fix UTF-16/truncated output when reporting unhandled exceptions
  • Viewer: Fix mouse wheel not working when mouse is over page margins.
  • Linux: Install bash completions as individual files for each calibre binary
  • Content server: Fix download button not working with non-ebook formats.
  • Fix a crash in popup completion lists if the mouse is over the list and list is scrolled with the keyboard
  • Viewer: Fix rare exception when navigating to a CFI.
  • Viewer: Ignore failures printing console message when the viewer is launched with broken stderr.
  • Amazon metadata: Fix failure to get published date from audible book pages.
  • Viewer: Fix shortcuts preferences not being translated
  • Tag browser: Fix incorrect text color when using dark theme for hovered item
  • Fix crash if canceling the icon theme download while covers are downloading
  • Viewer: Fix non-ASCII content in stylesheets not being interpreted correctly.
  • Viewer/Content server: Fix history for completion popups such as search bars not being stored correctly.
  • PDF Output: When a link with a fragment points to a non-existent anchor link to the top of the file instead of not linking at all
  • PDF Output: Fix standard svg fullscreen image markup not working
  • PDF Output: Fix some books with full screen images failing to convert.

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