Calibre 0.7.48 released

New Features

• Changes to the internal database structure used by calibre
• Launch of a new website that catalogues DRM free ebooks. http://drmfree.calibre-ebook.com
• News download: Add an option to keep at most x issues of a particular periodical in the calibre library. Use the Advanced tab in the Fetch news dialog for your news source to set this option.
• You can now right click on the cover in the book details panel to copy/paste a new cover.
• Add an entry to the add books drop down menu to easily add formats to an existing book record
• Tag browser: Clicking on a nested category now searches for the category alone. Clicking twice searches for the category and all its descendants and so on.
• Add a button to the Manage authors dialog to copy author sort values to author
• Decrease startup times on large libraries by using a faster algorithm to parse stored dates
• Add quick create links to easily create custom columns of commonly used types to the add custom column dialog
• Allow drag drop of images to change cover in book details window.
• Device susbsytem: Create a drive info file named driveinfo.calibre in the root of each device drive for USB connected devices. This file contains various useful data. API Change: The open method of the device plugins now accepts an extra parameter library_uuid which is the id of the calibre library connected tot eh device

Bug Fixes

• Conversion pipeline: Fix regression in 0.7.46 that caused loss of some CSS information when converting HTML produced by Microsoft Word. Also remove empty tags from microsoft namespaces when parsing HTML
• Try harder to ensure that the worker log temporary files are deleted in windows
• CHM Input: Handle CHM files that dont specify a topics file.
• Fix regression that caused memory leak in Tag Browser. This would show up as the memory usage of calibre increasing when switching libraries.
• Fix bug that caused preferences->behavior to not show the output format set by the welcome wizard, and instead default to showing EPUB
• Fix bug that caused wrong books to be deleted from library if you choose ‘delete from library and device’ while the library is sorted by the On device column
• MOBI Input: Ignore all ASCII control codes except CR, NL and Tab.