It has a cornucopia of features divided into the following main categories:
- Library Management
- E-book conversion
- Syncing to e-book reader devices
- Downloading news from the web and converting it into e-book form
- Comprehensive e-book viewer
- Content server for online access to your book collection
What's New:
New features
- Content server: Allow adding or removing formats to a book via the edit metadata page. Closes tickets: 1831304
- ToC Editor: Allow user to control whether duplicate headings are included or not when generating ToC from headings
- Advanced search dialog: Remember the last focused field in the search by title/authors tab
- Conversion: Performance improvement for books that have many HTML files that all include the same CSS stylesheets
- Kobo driver: Add options to more precisely control the generation of cover images, to reduce size and enhance quality
- Support subtitle in Douban metadata plugin
Bug fixes
- Fix a Windows-specific regression in 3.45.0 that caused various errors in the viewer and editor. Closes tickets: 1836294
- Linux: Workaround for bug in recent Linux kernels that causes the Kindle to eject after calibre connects to it. Closes tickets: 1834641
- DOCX Input: When autodetecting the Table of Contents from headings, work even if the headings use numbering. Closes tickets: 1834661
- EPUB Output: If there are no guide elements do not output an empty guide tag. Makes epubcheck happy. Closes tickets: 1835560
- Workaround for sortByColumn being partially broken in Qt 5.13.0. Closes tickets: 1834989
- Fix a regression that broke the per_lang_title_sort_articles tweak. Closes tickets: 1834329
- Sending email: Fix an error on some windows machines with non-ASCII hostnames
- EPUB Output: When generating EPUB 3 preserve the old style meta tag to identify the cover as Google Play Books does not recognize EPUB 3 cover markup. Closes tickets: 1832660
- Create catalog: Fix handling of the tilde character in BiBTeX catalogs. Closes tickets: 1832726
- News downloads: Fix incorrect font sizes for some text in the index pages. Closes tickets: 1832628
- Comic Input: Fix incorrect processing of comics with pages that have the same file names in different folders when using the "No process" option. Closes tickets: 1831487
- CHM Input: Fix a regression that broke processing of some CHM files. Closes tickets: 1831511
- Edit book: When auto-closing tags on typing , fix occasionally incorrect tag being closed in large files because syntax highlighting has not completed
- Kobo driver: Fix for ContentType not being defined error for extension-less non kepub files on a Kobo
- Content server: Book details page: Do not display empty rows for undefined dates
- Get books: Update Google books and amazon plugins for markup changes
- Edit book: Text search: Fix searching for a single character backwards not working
New news sources
- Aviation International News by Jose Ortiz
- Improved news sources
- Art and Letters Daily
- The Wall Street Journal
- Barrons
- Newsweek
