该版本更新如下：
新特性
Add support for sideloading of KFX files created with the third-party KFX calibre plugin
Edit book: Allow drag and drop of image files, stylesheets and html files into the editor to insert the appropriate
Kobo driver: Add support for updated firmware
Edit Book: Spell Check: If there are no suggestions fill the suggested word box with the original word.
Viewer: add a shortcut (Ctrl+F11) to show/hide toolbars.
Bug 修复
PDF Output: Fix courier font not being rendered when converting on windows.
E-mail delivery: Add a Message-ID header when sending emails. Reduces probability of mails sent from calibre being marked as spam
Save to disk: Fix path shortening being applied to entire save template even when saving to singe directory.
Get Books: Update the Virualo and Publi store plugins for website changes
Viewer: Fix regression that caused slow opening of some books with missing font/css/image files
Viewer: Pressing Ctrl+F in fullscreen mode should show the controls.
Edit book: Do not allow creating multiple new files whose names differ only by case.
Viewer: Use heuristics to try to detect comics encoded as fixed layout EPUBs to ensure they are displayed as intended.
New news sources
Various new and improved Belgian news sources by erkfuizfeuadjfjzefzfuzeff
Improved news sources
The Atlantic
The Financial Times
下载地址：
http://calibre-ebook.com/download
来自:开源中国社区