Calibre Releases

Calibre v5.5.0 Released (November 13, 2020)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.5.0

New features

• Support the calibre:// URL scheme
  Clicking on calibre:// URLs can be used to have calibre perform various actions.For details, see: https://manual.calibre-ebook.com/url_scheme.html
  
  
• Viewer: Show calibre:// URL for current book in the Goto->Location panel
• Edit book: Add an action to the right click menu for tabs to close tabs to the right of the current tab.
  Closes tickets: 1902518
  
  
• Add ability to copy tag, publisher and author in Book details panel by right-clicking
  Closes tickets: 1902413
  
  
• Annotations browser: Add a context menu for common actions.
  Closes tickets: 1902326
  
  
• Annotations browser: Show a dot for highlights with notes.
  Closes tickets: 1899839
  
  
• Edit book: Saved searches panel: Allow copying the current saved search to the regular search panel by clicking the Export button.
  Closes tickets: 1902227
  
  
• Windows: Fix command line arguments not working for the portable.exe launchers
• Viewer: back and forward buttons on the mouse now trigger the back and forward actions
• Option to mark all books with annotations/bookmarks
  Closes tickets: 1902313
  
  
• Various minor improvements to how keyboard focus is handled in the Tag browser

Bug fixes

• Edit book: Fix regression in calibre 5 that caused an error when managing user dictionaries.
  Closes tickets: 1903294
  
  
• Viewer: Fix previous/next buttons iterating over removed bookmarks
  Closes tickets: 1903831
  
  
• Welcome wizard: Fix changing the language causing a empty folder to be created.
  Closes tickets: 1903825
  
  
• Viewer: Fix regression causing custom shortcuts with shift key pressed not working
  Closes tickets: 1903699
  
  
• Viewer: In dark mode when showing images with transparency in the popup use a light background color as most images are designed with a light background color in mind.
  Closes tickets: 1903423
  
  
• Fix a regression in the previous release that broke conversion of DJVU files
  Closes tickets: 1903428
  
  
• Metadata edit: "Set to Undefined" button missing on integer columns.
  Closes tickets: 1903363
  
  
• Entry remains underlined in Tag Browser after clearing filter
  Closes tickets: 1903086
  
  
• XML Catalogs: Fix languages field missing
  Closes tickets: 1902126
  
  
• Fix a regression that broke loading of third party plugins that are encoded in an encoding other than UTF-8
• macOS: Fix viewer not responding to cmd+c to copy text by default
• Windows: Fix sending email on computers with non-ASCII computer names

Improved news sources

• Spectator Magazine

 

Calibre v5.6.0 Released (November 27, 2020)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.6.0

New features

• Edit book: Show a non-modal popup for a few seconds to allow undoing file delete operations
• Device books view: Add an action to the context menu to easily jump to the matching book in the calibre library view
  Closes tickets: 1903418
  
  
• Add ability to undo Generate cover in the Edit metadata screen, by long clicking the Generate cover button
  Closes tickets: 1903270
  
  
• Edit book: Allow adding tags to the list of tags for the insert tag button
• calibredb add: New option --automerge to automatically merge duplicates
• Add an edit notes action to the context menu in the viewer highlights panel
  Closes tickets: 1905646
  
  
• Content server viewer: Allow viewing images in a new window by right clicking them, matches the calibre builtin viewer behavior
  Closes tickets: 1903333
  
  
• Book details window: Allow opening the edit metadata window using either the keyboard shortcut or the context menu
  Closes tickets: 1903403
  
  
• Allow copying the current search as a calibre:// URL by right clicking the search box
• Book details panel: Add entries to copy calibre:// links for the current book to the context menu
• Edit book: Upgrade book: Ask whether to keep the NCX based Table of Contents

Bug fixes

• Windows: Fix calibre portable launcher not working correctly from root directory in calibre 5.5
  Closes tickets: 1904310
  
  
• macOS: Fix rendering of space after punctuation incorrect in Big Sur
  Closes tickets: 1904505
  
  
• DOCX Input: When converting images placed using the obsolete VML markup default them to being inline rather than block images
  Closes tickets: 1905319
  
  
• Metadata edit dialog: Fix keyboard shortcuts for bold/italic/underline not working when more than one comments editor widget is present on a single tab
  Closes tickets: 1905479
  
  
• When using calibre://show-book URLs and the book is not found, clear any Virtual library or search restriction and then show the book
  Closes tickets: 1905113
  
  
• macOS: Fix calibre:// URLs not working from other documents
• Fix calibre:// URL search action not changing library if needed
• annotation_count() template function displaying value for deleted annotations
  Closes tickets: 1904305
  
  
• Edit book: Fix syntax highlighting not recognizing ends-with selector
  Closes tickets: 1905806

Improved news sources

• The BBC
• Folha de Sao Paolo
• Netzpolitik

 

Calibre v5.7.0 Released (December 11, 2020)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.7.0

New features

• E-book viewer: Add a "Read aloud" function that works via the operating system's Text-to-speech engine.
  Click the "Read aloud" button in the viewer controls to start reading the book text aloud from the current page.
  
  
• A new busy spinner for waiting animations
• Edit metadata: Add buttons to easily set yes/no fields also shortcut to clear the field.
  Closes tickets: 1907140

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.
  Closes tickets: 1905967
  
  
• PDF Output: Fix conversion failing when adding header/footer and the input document defines margins/padding on the <html> tag.
  Closes tickets: 1905736
  
  
• Windows: Fix the case of library names in copied calibre:// links sometimes incorrect.
  Closes tickets: 1907159
  
  
• AZW3 Input: Fix a regression in calibre 5 that broke processing of files with inline flow replacements.
  Closes tickets: 1906459
  
  
• Fix hiding and showing book details panel changes its size by a pixel or two.
  Closes tickets: 1906149
  
  
• Get books: Fix amazon.fr not working because of website changes.
  Closes tickets: 1907067
  
  
• 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.
  Closes tickets: 1906464
  
  
• Fix template function "first_non_empty" fails if no argument evaluates non-empty
  Closes tickets: 1906063

Improved news sources

• The Guardian
• The Atlantic

Calibre v5.7.2 Released (December 12, 2020)

 

Calibre v5.8.0 Released (December 24, 2020)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.8.0

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).
  Closes tickets: 1908929
  
  
• Windows: Automatically resolve shortcuts (.lnk files) when adding books to calibre.
  Closes tickets: 1907410
  
  
• 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
  Closes tickets: 1907919, 1907918

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
  Closes tickets: 1908000
  
  
• AZW3 Input: Fix rare AID based links not working.
  Closes tickets: 1898394
  
  
• E-book viewer: Fix clock in header/footer not using system time format
  Closes tickets: 1907907
  
  
• 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.

New news sources

• SchwarzerPfeil by tastytea
• Substack by topynate

Improved news sources

• The Australian
• The Atlantic
• Zerohedge
• New York Times Book Review

 

Calibre v5.9.0 Released (January 8, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.9.0

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
  Closes tickets: 1909529
  
  
• Icon rules editor: Add a button to open the icons folder
  Closes tickets: 1909339
  
  
• Quickview: Dropdown menu for all selectable columns
  Closes tickets: 1909258

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
  Closes tickets: 1909224
  
  
• 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
  Closes tickets: 1909332
  
  
• Fix dropping files onto book details causing an error if the confirmation dialog is disabled
  Closes tickets: 1909291

New news sources

• Mallorca Zeitung by VoHegg
• T-Online by VoHegg
• El Diario by Dirk Gómez

Improved news sources

• General Knowledge Today
• El Pais
• USA Today
• WirtchaftsWoche Online
• The Guardian
• Arcamax
• Miami Herald
• The Seattle Times

 

Calibre v5.10.0 Released (January 22, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.10.0

New features

• Bulk metadata edit: Add a new control to compress the cover image files for all selected books
  Closes tickets: 1911888
  
  
• Add support for the CB7 comic file file format
  Closes tickets: 1912212
  
  
• 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
  Closes tickets: 1912070
  
  
• 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
  Closes tickets: 1912337
  
  
• E-book viewer: Add keyboard shortcuts to copy the current location to the clipboard
  Closes tickets: 1912070
  
  
• E-book viewer: Highlight all currently visible Table of Contents entries, not just the first
  Closes tickets: 1912003
  
  
• 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
  Closes tickets: 1911470
  
  
• E-book viewer: Fix scrolling with two fingers on touch pad on macOS not smooth
  Closes tickets: 1911218
  
  
• PDF Output: When converting fixed layout input documents fix anchors inserted for navigation sometimes being rendered as blue boxes
  Closes tickets: 1911466
  
  
• Edit book: Remove unused CSS: Fix selectors that don't match from CSS rules containing multiple selectors not being removed
  Closes tickets: 1904350
  
  
• 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

Improved news sources

• Jacobin
• Japan Times
• The Wall Street Journal
• Mediapart

 

Calibre v5.13.0 Released (March 10, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.13.0

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
  Closes tickets: 1917967
  
  
• 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
  Closes tickets: 1917363

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
  Closes tickets: 1918030
  
  
• PDF input: Replace paragraph separator characters with spaces
  Closes tickets: 1917386

Improved news sources

• The Conversation

 

Calibre 5.15.0 Released (April 15, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.15.0

New features

• Allow auto scrolling through the list of books by pressing the X key or right clicking on the cover browser
  Closes tickets: 1917634
  
  Useful to have a "slideshow" of book covers. The speed of scrolling can be controlled in Preferences->Look & feel->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 https://www.mobileread.com/forums/showthread.php?t=337573
• 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
  Closes tickets: 1921610
  
  
• E-book viewer: Add an option under Preferences->Miscellaneous to not restore open panels such as Search, Table of Contents etc on restart
  Closes tickets: 1921689
  
  
• When exporting highlights as text or markdown also output top level chapter titles
• Allow downloading metadata from amazon.se
  Closes tickets: 1922327
  
  
• Preferences->Tweaks: Allow specifying that calibre should open the book details window when double clicking on a book
  Closes tickets: 1922591
  
  
• MOBI Output: Convert WebP images to PNG so they work with Amazon's software
  Closes tickets: 1922341
  
  
• DOCX Input: When converting embedded fonts, replace spaces in the filename with underscores to keep the execrable epubcheck happy
  Closes tickets: 1921793
  
  
• 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
  Closes tickets: 1924232
  
  
• Metadata comments editor: Fix setting block alignment destroying other block level properties
  Closes tickets: 1924187
  
  
• 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
  Closes tickets: 1921604
  
  
• Conversion: When specifying a line-height do not apply it to the <html> tag, as it is pointless and causes the execrable epubcheck to complain
  Closes tickets: 1922570
  
  
• 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
  Closes tickets: 1924598
  
  
• CHM Input: Fix a regression in calibre 5.0 that broke opening of some files that dont specify a character encoding
  Closes tickets: 1922503
  
  
• 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
  Closes tickets: 1922309
  
  
• Edit book: Fix detection of class names containing hyphens/underscores

New news sources

• Los Danieles – Columnas sin techo by CAVALENCIA

Improved news sources

• New Scientist
• Irish Times
• 1843
• The Straits Times

 

Calibre 5.16.0 Released (April 17, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.16.0

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
  Closes tickets: 1924703
  
  
• Fix a regression in the previous release that prevented calibre from starting if there was a failure in a third party plugin
  Closes tickets: 1924824
  
  
• 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
  Closes tickets: 1924767
  
  
• Fix using 'is set' rules not working for column rules with rating values
  Closes tickets: 1924675
  

New news sources

• The Saturday paper by Alistair Francis

 

Calibre 5.16.1 Released (April 17, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog v5.16.1

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
  Closes tickets: 1924703
  
  
• Fix a regression in the previous release that prevented calibre from starting if there was a failure in a third party plugin
  Closes tickets: 1924824
  
  
• 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
  Closes tickets: 1924767
  
  
• Fix using 'is set' rules not working for column rules with rating values
  Closes tickets: 1924675

New news sources

• The Saturday paper by Alistair Francis

 

Calibre 5.17 Released (April 30, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog 5.17

New features

• E-book viewer: Image popup: Allow dragging with the mouse to pan the image
  Closes tickets: 1926484
  
  
• Sort button: Allow selecting which columns are in the popup sort menu
  Closes tickets: 1923724
  
  
• E-book viewer: When suggesting a default bookmark title, use the name of the current chapter
  Closes tickets: 1851908
  
  
• E-book viewer: When searching the Table of Contents allow holding the Shift key to search backwards
  Closes tickets: 1925038
  
  
• E-book viewer: Add a shortcut Ctrl+0 to restore default font size
  Closes tickets: 1925294

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
  Closes tickets: 1918591
  
  
• Fix a regression in the previous release that caused errors when editing empty date values
  Closes tickets: 1925378
  
  
• 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
  Closes tickets: 1926518
  
  
• Elide long items in the middle when showing the completion popup for tags, to make it easier to use with hierarchical tags
  Closes tickets: 1925247
  
  
• E-book viewer: Read aloud: Fix soft hyphens causing read aloud words to be broken up
  Closes tickets: 1925988
  
  
• E-book viewer: Right clicking when text is selected should extend the selection instead of doing nothing
  Closes tickets: 1925390
  
  
• 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
  Closes tickets: 1926025
  
  
• Content server viewer: Fix mouse wheel scrolling not working on the box used to edit notes for highlights
  Closes tickets: 1925961
  
  
• 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

Improved news sources

• Barrons
• Krebs On Security

 

Calibre 5.18 Released (May 21, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog 5.18

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
  Closes tickets: 1928596
  
  
• 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
  Closes tickets: 1927520
  
  
• Review downloaded metadata: Allow double clicking on a cover to see it at a larger size
  Closes tickets: 1927062
  
  
• Annotations browser: Add a Refresh button
  Closes tickets: 1927012

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
  Closes tickets: 1928579
  
  
• Annotations browser: Sort the entries in order of position in book
  Closes tickets: 1922691
  
  
• 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
  Closes tickets: 1926793
  
  
• Avoid spurious errors on multiple simultaneous calibre launches
  Closes tickets: 1927546
  
  
• E-book viewer: Ignore mouse scroll events that would turn pages when editing notes
  Closes tickets: 1925961
  
  
• E-book viewer: Fix sorting bookmarks by title not working
• Windows WPD driver: Fix an error reading the filesystem on some MTP based devices

Improved news sources

• IEEE Spectrum

 

Calibre 5.19 Released (May 28, 2021)
Website (GitHub)
What's New
Download (GitHub)

Spoiler: Changelog 5.19

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
  Closes tickets: 1929862
  
  
• PDF Output: Fix font kerning issues with some TrueType fonts
  Closes tickets: 1929240
  
  
• Edit book: Fix a regression in 5.18 that broke editing/creating saved searches
  Closes tickets: 1929267
  
  
• Windows: Fix for standalone ToC Editor not working on systems where Qt WebEngine causes a crash at exit
  Closes tickets: 1919025
  
  
• 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
  Closes tickets: 1929465
  
  
• 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
  Closes tickets: 1909730
  
  
• 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
  Closes tickets: 1929164

 

Calibre 5.22 Released (June 25, 2021)
Website (GitHub)
What's New
Download (GitHub)

 

Calibre 5.22.1 Released (June 25, 2021)
Website (GitHub)
What's New
Download (GitHub)

 

calibre Portable 5.22.1 (ebook manager, viewer, converter) Released (July 1, 2021) (PortableApps.com)

 

Calibre 5.23 Released (July 9, 2021)
Website (GitHub)
What's New
Download (GitHub)

 

calibre Portable 5.23.0 (ebook manager, viewer, converter) Released (July 12, 2021) (PortableApps.com)

 

Calibre 5.24 Released (July 30, 2021)
Website (GitHub)
What's New
Download (GitHub)