New features

• OAuth 2.0 authentication for Office365.com and Live.com domains
• "Close All Search tabs" command in the message list tabs pop-up menu

Improvements

• Discover domain's MX and use server settings from presets (if cloud mail services are used, for example) for new accounts
• It is now possible to use a custom background color for account/folder tree separately from message list's background

Fixes

• Print: External images were not downloaded for printing
• The circular progress indicator for displaying the total size of the messages being sent/received in the Connection Center window now uses proper background colors for dark interface themes