• NFL Fantasy registration period is now closed. The Draft will take place on August 30 at 8pm.
    EPL and NFL Pickem pools are now open for registration
    EPL Ultimate Team is now open for registration. The new season kicks off on August 21 2026.
    NEW GAME: Club Manager is now live. Go register your team for the upcoming season.

Calibre eBook Management Software Technology 

  • Date Created Gemma
  • Last Reply TechNikAl
  • Reply Count 165
  • View Count 15K
  • Thread Participants
Thread Insights News AI
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​

  • Edit book: When right clicking on a class in a HTML file, add an option to rename the class throughout the book
  • Adding from ISBN: Add an option to check if there are existing books with the specified ISBNs already in the library
  • Template tester: Instead of next/last, the template tester now shows the template values for selected books
  • Content server: Allow swiping left and right to show next/previous book on the book details page
  • E-book viewer: Make the commonly used shift+arrow key shortcuts for modifying selections using the keyboard work. Also add shorcuts for selecting by character, line and paragraph.

Bug Fixes​

  • MOBI Output: Fix latest kindle firmware not displaying select publisher font option for calibre produced azw3 files
  • E-book viewer: Fix errors when viewing books with mathematics that are split over multiple internal files
  • Content server viewer: Fix highlights not sorted correctly in the highlights panel
  • Get books: Fix smashwords plugin not working because of website changes
  • Improve the performance of QuickView especially when using composite columns
  • Improve performance of the virtual_libraries() template function
  • Browser viewer: Fix Go to Location not working for positions
  • E-book viewer: Fix searching in the Table of Contents not working
  • E-book viewer: In paged mode, fix scrolling not working correctly when margins are set to zero
  • E-book viewer: Fix incorrect ToC navigation in books that link the entries to inline tags that wrap block tags that span multiple pages
  • Category editor: Searching in library shouldn't automatically opens Quickview
  • Conversion: Fix a hang caused by long sequences of non-word characters when heuristics are enabled, either explicitly or for some input formats such as TXT
  • Fix a regression in calibre 5 that broke --explode-book and --implode-book actions for calibre-debug.exe
  • Fix a regression in calibre 5 that broke setting metadata in RTF files

Download Calibre
 
TechNikAl Contributor

New Features​

  • Allow auto scrolling through the list of books by pressing the X key or right clicking on the cover browser
  • E-book viewer: Speed up first time open for EPUB files with lots of styling
  • E-book viewer preferences: Allow searching for keyboard shortcuts
  • Edit book: Allow editing WEBP images
  • Various improvements to the template language, see Template language changes - MobileRead Forums
  • E-book viewer: Show the current progress percentage in the bottom bar of the viewer controls. This can be customized in the viewer preferences under Headers and footers
  • E-book viewer: Add an option under Preferences->Miscellaneous to not restore open panels such as Search, Table of Contents etc on restart
  • When exporting highlights as text or markdown also output top level chapter titles
  • Allow downloading metadata from amazon.se
  • Preferences->Tweaks: Allow specifying that calibre should open the book details window when double clicking on a book
  • MOBI Output: Convert WebP images to PNG so they work with Amazon's software
  • DOCX Input: When converting embedded fonts, replace spaces in the filename with underscores to keep the execrable epubcheck happy
  • E-book viewer: Selection bar: Add keyboard shortcuts for all buttons. Hover over a button in the bar to see the shortcut

Bug Fixes​

  • FB2 Output: Fix a regression in calibre 5 that caused paragraphs containing only non-breaking spaces to be removed
  • Metadata comments editor: Fix setting block alignment destroying other block level properties
  • E-book viewer: Fix margins not being adjusted immediately when preferences are changed
  • Edit book: Upgrade book internals: Fix skipping the NCX removal dialog not remembering the chosen option
  • Conversion: When specifying a line-height do not apply it to the tag, as it is pointless and causes the execrable epubcheck to complain
    • E-book viewer: Improve scrolling behavior when extending the selection using keyboard shortcuts
    • E-book viewer: Fix read percent for HTML files that are rendered in a single screen being 0% rather than 100%
    • E-book viewer: Highlights panel: Do not expand all sections when adding/deleting/modifying highlights
    • CHM Input: Fix a regression in calibre 5.0 that broke opening of some files that dont specify a character encoding
    • EPUB2 metadata: Read ISBNs in identifier elements without schemes if they are valid ISBNs and no properly identified isbns are present
    • Update Amazon metadata plugin for changes to amazon websites
    • Edit book: Fix detection of class names containing hyphens/underscores

Download Calibre
 
TechNikAl Contributor

Bug Fixes​

  • CHM Input: Fix handling of some CHM files that use non-ASCII internal filenames and dont specify a character encoding in their metadata
  • Fix a regression in the previous release that prevented calibre from starting if there was a failure in a third party plugin
  • Content server viewer: Fix a regression in the previous that broke handling of URLs in stylesheets
  • Fix a regression in the previous release that broke changing sections in the convert single book dialog after changing the input or output formats
  • Fix using 'is set' rules not working for column rules with rating values

Download Calibre
 
TechNikAl Contributor

Bug Fixes​

  • CHM Input: Fix handling of some CHM files that use non-ASCII internal filenames and dont specify a character encoding in their metadata
  • Fix a regression in the previous release that prevented calibre from starting if there was a failure in a third party plugin
  • Content server viewer: Fix a regression in the previous that broke handling of URLs in stylesheets
  • Fix a regression in the previous release that broke changing sections in the convert single book dialog after changing the input or output formats
  • Fix using 'is set' rules not working for column rules with rating values
  • E-book viewer: Fix a regression in 5.15 that causes the viewer to ignore page-break CSS properties (in 5.16.1)
  • Fix a regression that broke using stored templates (in 5.16.1)
  • Fix auto scroll books shortcut not working in standalone cover browser window (in 5.16.1)
  • E-book viewer: Fix jumping to previous section sometimes not working in flow mode (in 5.16.1)
  • E-book viewer: Fix a regression in 5.15 that broke changing keyboard shortcuts in the viewer preferences (in 5.16.1)
  • E-book viewer: Fix a regression in 5.15 that broke using the delete key to delete highlights (in 5.16.1)

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: Image popup: Allow dragging with the mouse to pan the image
  • Sort button: Allow selecting which columns are in the popup sort menu
  • E-book viewer: When suggesting a default bookmark title, use the name of the current chapter
  • E-book viewer: When searching the Table of Contents allow holding the Shift key to search backwards
  • E-book viewer: Add a shortcut Ctrl+0 to restore default font size

Bug Fixes​

  • Windows MTP driver: Rewrite parts of the driver in the hope of fixing some rare and hard to reproduce crashes
  • Windows MTP driver: Set modified and created times when putting files/folders on device. Also read modified time correctly.
  • Windows: E-book viewer: Fix switching away from viewer while in full screen and switching back causing some corruption until the page is scrolled
  • Fix a regression in the previous release that caused errors when editing empty date values
  • Get books: Update Gutenberg plugin for website changes
  • E-book viewer: The quick highlight button should replace the style of an existing highlight, when one is selected
  • Elide long items in the middle when showing the completion popup for tags, to make it easier to use with hierarchical tags
  • E-book viewer: Read aloud: Fix soft hyphens causing read aloud words to be broken up
  • E-book viewer: Right clicking when text is selected should extend the selection instead of doing nothing
  • Fix settings in the ToC Editor tool being forgotten when calibre is closed
  • DOCX Output: Fix conversion failing if the input document has missing images
  • Content server viewer: Fix mouse wheel scrolling not working on the box used to edit notes for highlights
  • E-book viewer: Fix read aloud word tracking in flow mode not very reliable
  • E-book viewer: Fix navigation shortcuts not working in Read aloud mode

Download Calibre
 
TechNikAl Contributor

New Features​

  • Content server viewer: Improved search functionality Searching can now be done for whole words and regular expressions. And all search results are listed at once with some context for easy navigation.
  • E-book viewer: Allow fullscreening the image popup
  • E-book viewer: Allow expanding/collapsing all items in the Table of Contents at a particular level by right clicking on one item of that level and choosing the option to expand/collapse
  • E-book viewer: Add shortcuts shift+home and shift+end to extend current selection to start/end of line
  • Book details: When creating rules to convert identifiers to URLs allow using {id_unquoted} to avoid quoting the identifier value
  • Review downloaded metadata: Allow double clicking on a cover to see it at a larger size
  • Annotations browser: Add a Refresh button

Bug Fixes​

  • Edit book: Fix ctrl-clicking on a class name jumping to the wrong CSS rule if the stylesheet contains top level comments
  • Fix search and replace on identifiers not working if the replaced value has colons
  • Annotations browser: Sort the entries in order of position in book
  • ToC editor: Dark mode: Fix colors in location selection panel not dark
  • E-book viewer: Fix right or shift-clicking to extend selection not shrinking selection when the click is inside the selection
  • Avoid spurious errors on multiple simultaneous calibre launches
  • E-book viewer: Ignore mouse scroll events that would turn pages when editing notes
  • E-book viewer: Fix sorting bookmarks by title not working
  • Windows WPD driver: Fix an error reading the filesystem on some MTP based devices

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: Add a preference under Scrolling behavior to reverse the tap zones used to turn pages. So tapping on the left goes forward and the right backward

Bug Fixes​

  • E-book viewer: Fix regression in 5.15 that caused incorrect display of font sizes that contain a period and use absolute units
  • PDF Output: Fix font kerning issues with some TrueType fonts
  • Edit book: Fix a regression in 5.18 that broke editing/creating saved searches
  • Windows: Fix for standalone ToC Editor not working on systems where Qt WebEngine causes a crash at exit
  • Windows MTP driver: When scanning an MTP device such as an Android phone ignore folders that Windows fails to enumerate instead of failing with an error
  • ToC Editor: Fix a regression that broke choosing split points in some XHTML files
  • PDB Input: Fix a regression in calibre 5 that broke processing some plucker format PDB files
  • Edit book: Fix sorting in spell check dialog on language broken for books that have unknown languages
  • Annotations browser: Fix a typo that broke sorting for highlights
  • Annotations browser: When showing a highlight preserve paragraph boundaries for multi-paragraph highlights
  • Viewer highlights panel: Fix the "Edit notes" link not saving the changes
  • E-book viewer: When using a right click/shift-click to adjust the selection, move the section boundary that is closer to the click point

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: Highlights: Make URLs in the notes for highlights clickable
  • Book details: Ctrl-clicking on tags now adds them to the existing search instead of replacing it
  • E-book viewer: Allow using the back button to return from jumping to a search result

Bug Fixes​

  • Get books: Fix the Kobo store plugin for changes to the website
  • Edit book: Fix non breaking spaces in snippets being converted to normal spaces
  • ToC Editor: Fix a regression that caused changes to not be saved on machines where running a worker process takes more than ten seconds
  • Fix error when changing the "Search the net" URLs for the Content server

Download Calibre
 
TechNikAl Contributor

New Features​

  • Driver for the new Kobo Ellipsa
  • Content server: When editing metadata for fields that take multiple values, make it easier to remove individual values by simply tapping a button
  • Browser viewer: Make current color scheme setting propagate to all devices automatically when using user accounts
  • E-book viewer: Image popup: Show the image resolution in the popup window's titlebar

Bug Fixes​

  • HTML Input: Fix handling of @import rules in stylesheets nested more than one level deep
  • Fix viewer search context menu to clear searches not clearing search settings
  • E-book viewer image popup: Fix full screen button in incorrect state when starting in full screen

Download Calibre
 
TechNikAl Contributor

New Features​

  • E-book viewer: Allow clicking links in popup footnotes
  • Main book list: Scroll per pixel rather than per item by default. Can be returned to previous behavior via Preferences->Tweaks->Control behavior of book list
  • Linux: Drop support for the global menu bar

Bug Fixes​

  • E-book viewer: Fix font sizes specified in absolute units not being honored in locales where the decimal separator is not the period
  • E-book viewer: Fix searching for short strings in text with lots of similar entries displaying incorrect matches
  • MOBI Output: Fix using percentage units for margins resulting in too large margins when using the tablet output profile
  • E-book viewer: Fix back button not working after jumping to a bookmark
  • Content server: OPDS feed: Fix incorrect up URL in category group feeds
  • Content server: Fix a regression in the previous release that broke editing of series metadata
  • E-book viewer: Fix scrolling backwards by screen-fulls not working with very large page margins.
  • MOBI Input: Fix a regression in calibre 5 that broke processing of Haodoo format files
  • Conversion: Fix the smarten punctuation option not applying to inserted jacket page

Download Calibre
 
Previous Thread
Steve Steve 6 2K
Next Thread
David76 David76 1 1K
Back
Top Bottom