Release Notes: Improved stability: outstanding bugs that resulted in crashes have been fixed. Proper handling of non-ASCII characters. Instantbird now uses UTF-8 for all strings. Usability improvements. Bugs that didn't require much time to fix and will significantly improve the user experience have been fixed, including aliases in the buddy list and linkification in the chat window. Some common annoyances have been removed from the UI. IRC Chats are possible. The "File" menu has a "Join Chat" item that will allow users and future contributors to join irc.mozilla.org#instantbird.