New Features

Linux: When deleting books, send them to the recycle bin, instead of permanently deleting. This is the same behavior as on Windows and OS X.
Add a checkbox to allow users to disable the popup that asks if books should be auto-converted before sending to device
Drivers for Droid Razr, Samsung GT-I9003 and Bookeen Odyssey
Closes tickets: 906356 , 906056 , 905862

Allow passing multiple filenames as command line arguments to calibre, to add multiple books.
Closes tickets: 907968

Bug Fixes

MOBI Output: Fix regression in 0.8.30 that caused the use of hidden heading elements for the TOC to generate links in the wrong place.
Closes tickets: 907156

EPUB Output: Ensure directories have the correct permissions bits set when unzipping an epub with unzip on Unix
Fix bottom most shortcuts in keyboard shortcuts for viewer not editable
EPUB Output: Fix handling of self closing <audio> tags.
Closes tickets: 906521

MOBI Input: Map invalid <o:p> tags to <p> tags before parsing, to handle broken nesting.
Closes tickets: 905715

Conversion pipeline: HTML5 parsing: Fix handling of XML namespaces. Fixes regression in 0.8.30 that caused some articles in some news downloads to appear blank when viewed in Adobe Digital Editions based readers
Get Books: Gandalf store, fix price and cover detection
EPUB Output: Fix the Flatten filenames option in EPUB Output causing duplicated manifest ids in rare cases.
Closes tickets: 905692

When adding books via ISBN, show the user the list of invalid ISBNs that will be ignored, if any, before starting the add operation.
Closes tickets: 905690

Fix unsmarten punctuation conversion option broken in 0.8.31.
Closes tickets: 905596

Fix broken evaluation of composite columns in save-to-disk
New news sources

Prospect Magazine UK by Barty and duoloz
Elet es Irodalom and NOL by Bigpapa
Salonica Press News by SteliosGero
Echo Online by Armin Geller
Various Polish news sources by fenuks
Various Italian news sources by faber1971
Improved news sources

Cosmopolitan UK
Hindustan Times
HVG
moneynews.com
Ming Pao
Glasgow Herald
Times of India
Focus Magazine
Hacker News
Independent
Sueddeutsche

A contest for the fastest computer
Any BootRacer user can take part in this contest.
The contest is held for each Windows version and the best 10 results, regardless of version, will be included in the top chart.
A function of collecting PC data has been added.
The ability to collect information on user computers and IP addresses into one database has been added into the Business and Enterprise versions.
Definition of logon time by the end of the password is improved.
All found mistakes are corrected.