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Calibre eBook Management Software Technology 

  • Date Created Gemma
  • Last Reply TechNikAl
  • Reply Count 165
  • View Count 15K
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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.

Key contributors TechNikAl TechNikAl ×165 Gemma Gemma ×1
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~17 min read · Based on 164 posts ·
TechNikAl Contributor

TechNikAl

New Features​

  • HTML Input: Restrict adding of resources like images to only files within the folder hierarchy starting at the parent folder of the root HTML file Can be controlled by customizing the HTML to Zip plugin in Preferences->Plugins or the --allow-local-files-outside-root option to the ebook-convert command

Bug Fixes​

  • PDF Output: Fix regression in previous release causing non-English entries to be incorrectly encoded into the PDF bookmarks
  • PDF Output: Fix regression in previous release that caused blank pages when generating headers or footers
  • Book list: Fix editing-in-place not pre-selecting existing text for some column types
  • Amazon.de metadata download: Update for site changes
  • PDF Output: Set /Creator and /Producer in /Info
  • Fix row height incorrect in Manage category dialog when blank

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • HTML Input: Restrict adding of resources like images to only files within the folder hierarchy starting at the parent folder of the root HTML file Can be controlled by customizing the HTML to Zip plugin in Preferences->Plugins or the --allow-local-files-outside-root option to the ebook-convert command

Bug Fixes​

  • PDF Output: Fix regression in previous release causing non-English entries to be incorrectly encoded into the PDF bookmarks
  • PDF Output: Fix regression in previous release that caused blank pages when generating headers or footers
  • Book list: Fix editing-in-place not pre-selecting existing text for some column types
  • Amazon.de metadata download: Update for site changes
  • PDF Output: Set /Creator and /Producer in /Info
  • Fix row height incorrect in Manage category dialog when blank
  • 6.19.1 fixes a bug in 6.19.0 that broke the edit metadata dialog

Download Calibre
 
TechNikAl Contributor

TechNikAl

Bug Fixes​

  • CHM Input: Fix a regression in the previous release that broke conversion of CHM files
  • Windows: Make moving files in the calibre library folder more robust, locking folders in addition to files, before the start of the move
  • Get books: Update Barnes and Noble store plugin for website changes
  • Kindle output: Only re-encode JPEG images with EXIF metadata if the metadata contains actual transpose operations
  • PDF Output: Fix error when input document contains multiple instances of a font some with vertical metrics and some without
  • PDF Output: Fix using CSS Multicolumns for body causing conversion to fail when header/footer is specified
  • MOBI Input: Fix a crash when converting some corrupted palmdoc compressed MOBI files
  • E-book viewer: Ensure CSS stylesheets are interpreted as UTF-8

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • DOCX Output: Add support for SVG images
  • E-book viewer: Allow configuring the actions triggered by touch gestures
  • DOCX Input: Add support for SVG images

Bug Fixes​

  • Windows: Fix a regression in the previous release that could cause files to be deleted if one of the files/folders was open in another program while changing title/author in calibre
  • macOS: Fix extra dock icons visible when doing a job using Qt WebEngine such as converting to PDF or searching in Get books
  • macOS and Linux: Fix an error when changing metadata or deleting books whose files are owned by another user
  • CHM Input: Yet another regression opening CHM files with missing internal files on windows
  • CHM Input: Resolve absolute links to resource files from the root of the CHM file

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • Kobo driver: Add support for newest firmware
  • Trash bin: Allow setting removed books to be permanently deleted on library close
  • Windows: Nicer error message when file/folder is locked in another program

Bug Fixes​

  • PDF Output: Fix regression that caused large slowdowns when converting books with lots of internal HTML files to PDF
  • CHM Input: Fix ToC entries that use fragments not supported
  • E-book viewer: Fix searching for text next to hidden text not scrolling to the match
  • E-book viewer: Fix selection popup not showing for some books on some platforms when the selection is in the top line
  • DOCX Output: Fix multiple SVG images in the input document causing all the SVG images in the output to be just one of the input images
  • MOBI Input: Ignore another form of corruption in trailing bytes

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • PDF Output: Add an option to discard the book cover instead of inserting it as the first page of the PDF
  • Content server: Allow opening the book details page for a matches book from the Full text search results page

Bug Fixes​

  • Windows: Fix empty data folder getting created in directory calibre is launched from when changing title/author for a book with an existing data folder
  • LIT Output: Fix error converting anything to LIT on Windows
  • Ignore failures to expire old trash during startup
  • Amazon metadata download: Fix retrieval of publisher information from amazon.fr

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • Easily manage the extra data files associated with a book by right clicking the edit metadata button and choose "Manage data files"
  • Content server: Full text search: Allow searching a restricted subset of books
  • E-book viewer: Allow clicking on calibre:// URLs
  • Support fuzzier searching in the Tag browser find allowing unaccented characters to match accented ones

Bug Fixes​

  • DOCX conversion: Preserve underline style and color
  • Fix incorrect sorting of device view after some operations
  • Fix visit content server in browser not working when the content server is configured to listen on an IPv6 interface
  • Fix one hour offset in some timezones on Windows for dates before 1970
  • Windows: HTML Input: Fix error when trying to add HTML files with links to other files that are invalid pathnames
  • Get books: Update various Polish language book stores for website changes

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • Book details panel: De-emphasize titles making the actual data stand out more
  • Allow using the new manage data files dialog from within the edit metadata dialog
  • Trash dialog: Allow right clicking on an entry to save it to disk
  • When merging books by drag-and-drop add an option to use the dragged cover instead of the cover in the target book
  • Create catalog: Add buttons to easily select all/non/visible fields when creating CSV/XML catalogs
  • Preferences->Add your own columns: Add buttons to show/hide all columns

Bug Fixes​

  • Fix a regression in the previous release that broke parsing of some ISO-8601 timestamps
  • E-book viewer: Mouse wheel horizontal events should jump sections not internal file boundaries
  • Fix Preferences->Add your own columns changing check state on moving columns
  • Get books: update various Polish e-book stores for website changes
  • E-book viewer: Fix CFI parsing of numbers with trailing zeros causing some bookmarks to not work
  • E-book viewer: Show an error when creating a bookmark if the bookmark position is not found
  • CBR Input: Fix comics with extremely long internal filenames not working on Windows
  • Edit book: Saved searches: Fix incorrect import in generated source code for some builtin functions
  • Data file manager: Fix errors on systems with larger font sizes

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • MTP driver: Support the new Kindle Scribe firmware that causes it to act as an MTP device instead of USB disk. Add "Documents" to the list of default folders to send books to
  • E-book viewer: Add a new option under scrolling behavior to control horizontal mouse wheel events jumping to next section
  • Allow full customization of Book details styling via Preferences->Look & feel->Book details

Bug Fixes​

  • Get books: Update ebooks.com plugin for website changes
  • Edit book: Fix searching for non-BMP unicode characters highlighting only half the character
  • E-book viewer: Fix displaying more than one page per screen causing page layout to be slightly wrong for some books
  • E-book viewer: Fix clicking on links with empty destinations hanging the viewer
  • E-book viewer: Fix modifying, then jumping to and then modifying the highlight again from the highlights panel causing the highlight to be deleted
  • E-book viewer: Fix indication of current section in Table of Contents sometimes wrong after changing font size
  • E-book viewer/Content server: Disallow browser native context menu when right clicking in sandboxed iframes
  • MTP driver: Ignore top level folders whose names start with a leading dot Also ignore AppleDouble files, top level system and fonts folders and sdr folders on Kindle devices
  • FB2 Input: use the <p> tag for paragraphs that dont contain other block content
  • E-book viewer: Fix clicking on the back/forward buttons not working in some situations
  • E-book viewer: Fix scrolling to Table of Contents items that are within a single internal file not activating the back button
  • E-book viewer: Fix changing the sans-serif font without also changing the monospaced font not working

Download Calibre
 
TechNikAl Contributor

TechNikAl

New Features​

  • Kobo driver: Support updated firmware
  • Nook driver: Add support for Nook Glowlight Plus 2023
  • Data files manager: Allow drag and drop of files onto the list of files to add new files
  • Support 7z archives in addition to ZIP and RAR for automatic ebook extraction when adding to calibre
  • Linux/macOS: Fix detection of the Kindle Scribe with MTP firmware
  • E-book viewer: Allow clearing list of recently opened books from the open button's popup menu itself
  • E-book viewer: Add a link to show the currently viewed book in the calibre library (Go to->Metadata in the viewer controls to access it)

Bug Fixes​

  • Book information dialog: Fix a regression that caused incorrect color for titles in dark mode
  • E-book viewer: Fix searching does not jump to first match if all matches are before current position in book
  • EPUB Output: Fix duplicated title page entry in spine for books that define a title page that ends up getting split
  • Allow for-light/dark-theme icon overrides to work for plugin icons placed by the user in the override folder
  • PDF Output: Fix background image + text not rendering correctly if the same background image is used with different text multiple times
  • E-book viewer: Fix section titles in highlights panel being incorrectly expanded to full titles when the section has multiple highlights
  • Prevent Quickview window from opening in the background
  • Edit book: Fix a regression in the previous release that caused an error when doing text based searches

Download Calibre
 
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