Calibre 2.28 发布，此版本更新内容如下：
新特性
Conversion of all ebook formats to Microsoft Word (DOCX) files
Supports conversion of text styles, images, lists, tables, embedded fonts, etc. Produces DOCX files compatible with Microsoft Word 2007 or newer.
Add keyboard shortcuts (Ctrl+Right, Ctrl+Left) to switch between virtual library tabs.
Closes tickets: 1453497
When sending email using GMX pause for five minutes between books, to prevent GMX from blocking the account. The delay can be configured via Preferences->Tweaks
Bug 修复
Open With: Fix application icons in XDG_DATA_HOME on linux not being found and fix unhandled error when choosing non-executable files as applications.
AZW3 Output: Remove duplicate anchors to workaround some Kindle renderers using the last occurrence of an anchor as the target instead of the first.
Closes tickets: 1454199
Fix language definition on body tag being ignored during conversion
Edit book: When importing multiple files into the book, import them in the order sorted by their filenames instead of in random order
E-book viewer: Fix print to pdf not working on some windows systems with non-ascii usernames and non-utf-8 system locales. Also make the print to pdf dialog a little easier to use.
Edit Book: Fix TOC editor window not remembering its last used size
改进的新闻源
Field and Stream
Linux Magazine
Brand Eins
Courrier International
Wired Magazine
The Onion
此版本现已提供下载：http://calibre-ebook.com/download。
Calibre是电子书管理软件，支持Amazon、Apple、Bookeen、Ectaco、Endless Ideas、Google/HTC、Hanlin Song设备及格式，功能十分强大。
来自:开源中国社区
