Calibre updated to 0.7.50

New Features

• Add ‘Read a random book’ to the view menu
• Add option to show composite columns in the tag browser.
• Add a tweak in Preferences->Tweaks to control where news that is automatically uploaded to a reader is sent.
• Do not also show text in composite columns when showing an icon
• Add a menu item to clear the last viewed books history in the ebook viewer
• Kobo driver: Add support for the ‘Closed’ collection
• Add rename/delete saved search options to Tag browser context menu
• Make searches in the tag browser a possible hierarchical field
• Allow using empty username and password when setting up an SMTP relay

Bug Fixes

• Fix regression in 0.7.49 that broke deleting of news downloads older than x days.
• Restore the ability to remove missing formats from metadata.db to the Check Library operation
• EPUB metadata: Read ISBN from Penguin epubs that dont correctly specify it
• Conversion pipeline: Handle the case where the ncx file is incorrectly given an HTML mimetype
• Make numpad navigation keys work in viewer
• Fix ratings not being downloaded from Amazon
• Content server: Add workaround for Internet Explorer not supporting the ' entity.
• Conversion pipeline: When detecting chapters/toc links from HTML normalize spaces and increase maximum TOC title length to 1000 characters from 100 characters.
• Fix regression that broke Search and Replace on custom fields
• Fix regression that caused currently selected row to be unfocussed int he device view when updataing metadata
• Coversion S&R: Do not strip leading and trailing whitespace from the search and replace expressions in the GUI