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Calibre eBook Management Software Technology 

  • Date Created Gemma
  • Last Reply TechNikAl
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Calibre software offers extensive eBook management features
7/10 Informational

The post provides a good overview of Calibre's features and its open-source nature, but could benefit from more personal insights or specific use cases to enhance its helpfulness.

Calibre eBook management new features bug fixes user experience

Calibre is a comprehensive, free, open-source software suite for managing e-books across various platforms including Windows, macOS, and Linux. Users frequently praise its ability to organize e-books into virtual libraries and perform conversions with ease. This versatility appeals to both casual readers and serious bibliophiles.12

A recent update has introduced numerous new features and addressed bugs that enhance the overall user experience. Notable additions include improved search functionalities, support for the latest e-reader firmware, and customization options for the e-book viewer, significantly expanding the software’s utility.34

The community is particularly enthusiastic about the new features and the developers' responsiveness to user feedback, which fosters a collaborative environment. However, some users report issues with certain functionalities, prompting ongoing discussions regarding potential improvements in future updates.56

"Calibre's flexibility makes it the best for e-book management."

"The latest update has truly transformed my reading experience!"

Verdict

Overall, Calibre continues to evolve with user needs at its core. While many features have been enhanced, some bugs persist, indicating further refinement is needed.

TechNikAl Contributor

New Features​

  • E-book viewer: Add a "Read aloud" function that works via the operating system's Text-to-speech engine.
  • A new busy spinner for waiting animations
  • Edit metadata: Add buttons to easily set yes/no fields also shortcut to clear the field.

Bug Fixes​

  • PDF Output: Fix a regression in the previous release that broke text rendering for some fonts due to a bug in Qt WebEngine (full fix is in 5.7.1).
  • PDF Output: Fix conversion failing when adding header/footer and the input document defines margins/padding on the tag.
    • Windows: Fix the case of library names in copied calibre:// links sometimes incorrect.
    • AZW3 Input: Fix a regression in calibre 5 that broke processing of files with inline flow replacements.
    • Fix hiding and showing book details panel changes its size by a pixel or two.
    • Get books: Fix amazon.fr not working because of website changes.
    • Bulk metadata search/replace: Fix text transform function not being applied to the test result in character mode
    • Book list: Improve rendering of column headers when they dont fit, by eliding them instead of just cutting off rendering.
    • Fix template function "first_non_empty" fails if no argument evaluates non-empty
    • Fix regression in 5.7.0 causing failure to start if one of the previously used libraries had a stored path ending in a slash.

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: Add a "Read aloud" function that works via the operating system's Text-to-speech engine.
  • A new busy spinner for waiting animations
  • Edit metadata: Add buttons to easily set yes/no fields also shortcut to clear the field.

Bug Fixes​

  • PDF Output: Fix a regression in the previous release that broke text rendering for some fonts due to a bug in Qt WebEngine (full fix is in 5.7.2).
  • PDF Output: Fix conversion failing when adding header/footer and the input document defines margins/padding on the tag.
    • Windows: Fix the case of library names in copied calibre:// links sometimes incorrect.
    • AZW3 Input: Fix a regression in calibre 5 that broke processing of files with inline flow replacements.
    • Fix hiding and showing book details panel changes its size by a pixel or two.
    • Get books: Fix amazon.fr not working because of website changes.
    • Bulk metadata search/replace: Fix text transform function not being applied to the test result in character mode
    • Book list: Improve rendering of column headers when they dont fit, by eliding them instead of just cutting off rendering.
    • Fix template function "first_non_empty" fails if no argument evaluates non-empty
    • Fix regression in 5.7.0 causing failure to start if one of the previously used libraries had a stored path ending in a slash.

Download Calibre
 
TechNikAl Contributor

New Features​

  • Happy holidays to all calibre users!
  • E-book Viewer: Add a mode to follow links with only the keyboard (triggered by Alt+f)
  • Edit book: A new option to show a configurable number lines above the current line when syncing the position of the preview panel to the current position in the code editor (under Preview settings in the Editor preferences).
  • Windows: Automatically resolve shortcuts (.lnk files) when adding books to calibre.
  • Content server viewer: Don't enter fullscreen mode automatically when reading on desktop like devices (this can be controlled via a setting in in the viewer preferences under Page layout)
  • E-book Viewer tool bar: Add a select all action and a Read aloud action (can be added by right clicking the tool bar and configuring it)
  • Template/formatter enhancements: Add a 'for' statement and add the ability for a developer to pass extra information to a template.
  • Rules editors for icon/coloring rules: Add a button to duplicate rules and to convert a rule to advanced template mode

Bug Fixes​

  • Content server viewer: Fix regression in 5.0 that broke scrolling on iOS
  • E-book viewer: Fix error when scrolling to some search results in flow mode
  • AZW3 Input: Fix rare AID based links not working.
  • E-book viewer: Fix clock in header/footer not using system time format
  • Windows: Fix Read aloud not working with books that have a single large internal text file, such as MOBI or DOCX books
  • PDF Output: Fix a regression causing conversion to fail when typesetting Chinese text
  • Amazon metadata download: Fix no results being found when using the auto or google server because of a change in the markup of the Google search results page.

Download Calibre
 
TechNikAl Contributor

New Features​

  • Happy holidays to all calibre users!
  • E-book Viewer: Add a mode to follow links with only the keyboard (triggered by Alt+F)
  • Edit book: A new option to show a configurable number lines above the current line when syncing the position of the preview panel to the current position in the code editor (under Preview settings in the Editor preferences).
  • Windows: Automatically resolve shortcuts (.lnk files) when adding books to calibre.
  • Content server viewer: Don't enter full screen mode automatically when reading on desktop like devices (this can be controlled via a setting in the viewer preferences under Page layout)
  • E-book Viewer tool bar: Add a select all action and a Read aloud action (can be added by right clicking the tool bar and configuring it)
  • Template/formatter enhancements: Add a 'for' statement and add the ability for a developer to pass extra information to a template.
  • Rules editors for icon/coloring rules: Add a button to duplicate rules and to convert a rule to advanced template mode

Bug Fixes​

  • Content server viewer: Fix regression in 5.0 that broke scrolling on iOS
  • E-book viewer: Fix error when scrolling to some search results in flow mode
  • AZW3 Input: Fix rare AID based links not working.
  • E-book viewer: Fix clock in header/footer not using system time format
  • Windows: Fix Read aloud not working with books that have a single large internal text file, such as MOBI or DOCX books
  • PDF Output: Fix a regression causing conversion to fail when typesetting Chinese text
  • Amazon metadata download: Fix no results being found when using the automatic or Google servers because of a change in the markup of the Google search results page.
  • Version 5.8.1 fixes a couple of regressions that broke the Save to disk function and changing Page layout settings in the viewer.

Download Calibre
 
TechNikAl Contributor

New Features​

  • Annotations: Allow exporting highlights and bookmarks in Markdown format, with a link to open the book at the highlight location
  • Content server viewer: Allow exporting all highlights
  • Icon rules editor: Add a button to open the icons folder
  • Quickview: Dropdown menu for all selectable columns

Bug Fixes​

  • Fix a regression that caused the Content server to crash if a client closed a connection during a file transfer on macOS and Linux.
  • LRF Output: Fix conversion broken in calibre 5 when font size rescaling is active
  • E-book viewer: Cancel any speech in progress when hiding the selection popup bar after triggering the speak aloud action on it
  • Color/icon rules editor: Fix duplicate rule button not working correctly
  • Fix dropping files onto book details causing an error if the confirmation dialog is disabled

Download Calibre
 
TechNikAl Contributor

New Features​

  • Bulk metadata edit: Add a new control to compress the cover image files for all selected books
  • Add support for the CB7 comic file file format
  • E-book viewer: Allow adding a button to the selection bar that copies thecurrently selected text along with a calibre:// URL to show the text in the book
  • Conversion: Insert metadata: Allow showing identifiers such as ISBN in the jacket page template
  • Conversion: Insert metadata: Allow hiding entries in the jacket template when they are not present in the metadata
  • calibre-server --manage-users: Add a scriptable interface: calibre-server --manage-users -- help
  • E-book viewer: Add keyboard shortcuts to copy the current location to the clipboard
  • E-book viewer: Highlight all currently visible Table of Contents entries, not just the first
  • Add a new tweak under Preferences->Tweaks->Author sort name algorithm to optionally recognizecommon surname prefixes such as von, van, de, etc. when generating sort names.

Bug Fixes​

  • E-book viewer: Move read aloud pop-up bar to the bottom of the screen in flow mode
  • E-book viewer: Fix scrolling with two fingers on touch pad on macOS not smooth
  • PDF Output: When converting fixed layout input documents fix anchors inserted for navigation sometimes being rendered as blue boxes
  • Edit book: Remove unused CSS: Fix selectors that don't match from CSS rules containing multiple selectors not being removed
  • Bulk metadata download: Fix series number not being changes if the series is the same as the existing series
  • E-book viewer: Fix a regression that caused non-HTML descriptions to not be displayed in the metadata page
  • E-book viewer: Fix clock being displayed in 24 hr format on some systems even though system locale is set to use 12 hr format.
  • Bulk metadata edit: Fix regression that inverted the meaning of the case sensitivity setting in the Search & replace tab
  • calibredb list: Fix incorrect output when redirecting to file

Download Calibre
 
TechNikAl Contributor

New Features​

  • Bulk metadata edit: Add a new control to compress the cover image files for all selected books
  • Add support for the CB7 comic file file format
  • E-book viewer: Allow adding a button to the selection bar that copies the currently selected text along with a calibre:// URL to show the text in the book
  • Conversion: Insert metadata: Allow showing identifiers such as ISBN in the jacket page template
  • Conversion: Insert metadata: Allow hiding entries in the jacket template when they are not present in the metadata
  • calibre-server --manage-users: Add a scriptable interface: calibre-server --manage-users -- help
  • E-book viewer: Add keyboard shortcuts to copy the current location to the clipboard
  • E-book viewer: Highlight all currently visible Table of Contents entries, not just the first
  • Add a new tweak under Preferences->Tweaks->Author sort name algorithm to optionally recognize common surname prefixes such as von, van, de, etc. when generating sort names.

Bug Fixes​

  • E-book viewer: Move read aloud pop-up bar to the bottom of the screen in flow mode
  • E-book viewer: Fix scrolling with two fingers on touch pad on macOS not smooth
  • PDF Output: When converting fixed layout input documents fix anchors inserted for navigation sometimes being rendered as blue boxes
  • Edit book: Remove unused CSS: Fix selectors that don't match from CSS rules containing multiple selectors not being removed
  • Bulk metadata download: Fix series number not being changes if the series is the same as the existing series
  • E-book viewer: Fix a regression that caused non-HTML descriptions to not be displayed in the metadata page
  • E-book viewer: Fix clock being displayed in 24 hr format on some systems even though system locale is set to use 12 hr format.
  • Bulk metadata edit: Fix regression that inverted the meaning of the case sensitivity setting in the Search & replace tab
  • calibredb list: Fix incorrect output when redirecting to file
  • 5.10.1 fixes a regression in 5.10.0 that broke conversion when including metadata as a jacket page and using long text custom columns

Download Calibre
 
TechNikAl Contributor

New Features​

  • Edit book: Add a tool to split the tag at the current cursor position, creating a new tag with the same style and class attributes. To add the tool go to the Toolbars section in the editor preferences
  • E-book viewer: Show the URL when hovering over external links
  • E-book viewer: Redesign the reference mode to also work on touch screens without a mouse. Now in reference mode paragraph numbers are displayed for all paragraphs
  • Edit book: Allow Ctrl-clicking on class names to jump to the first style rule that matches the tag and class
  • Content server: When browsing highlights for a book allow selecting multiple highlights to delete or export quickly
  • Allow creating keyboard shortcuts to copy show and view URLs for selected books to clipboard
  • calibredb: Add a timeout option to control the timeout when connecting to the calibre server

Bug Fixes​

  • Content server: Fix dragging selection handles not working in Safari
  • E-book viewer: Fix links with a href of "#" not working
  • E-book viewer: Hide the controls when clicking the back or forward buttons
  • E-book viewer: When jumping to a highlight using the highlights panel, the back button should return to position before jump
  • E-book viewer: Fix incorrect tooltip when hovering over a section title in the search results list
  • HTMLZ Output: Fix a regression in calibre 5 that broke creating HTMLZ documents when using the option to place CSS inline

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: When searching start the search from the current position, jumping to the first match at or after the current page
  • E-book viewer: Have the Table of Contents view automatically scroll to keep the chapter being read currently visible
  • Various improvements to the calibre template language, see Template language changes - MobileRead Forums
  • Edit book: File browser: Show total size of items in category when hovering over category with mouse
  • Kobo driver: Add support for latest firmware and also an option to choose the color used for cover letterboxing

Bug Fixes​

  • E-book viewer: Fix selection popup bar sometimes going off screen when dragging up to the top line of text
  • Get books: Update the Biblio and Chitanka stores for website changes
  • Edit book: Fix editing of JavaScript files not working

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book Viewer: Allow editing the current book by pressing Ctrl+d or adding a button for it to the viewer tool bar
  • Edit book: Add a command line flag to allow selecting the specified text when opening a book
  • Edit metadata dialog: When trimming covers, show the size of the current trim region

Bug Fixes​

  • Fix a regression in the previous release that broke sending of emails with text longer than 900 characters
  • E-book viewer: Fix using keyboard to extend selection not turning pages
  • Fix searching for items from the Manage dialog not working correctly
  • PDF input: Replace paragraph separator characters with spaces

Download Calibre
 
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