- added subscribe button to subreddit hover popup
- added m.imgur.com support
- various fixes for Firefox 23+
- fixed a flickr expando issue
- CSS fix for hidden userbar toggle
- fixed an issue with hyphens in usernames
- fixed an issue with +shortcut button not appearing at /subreddits (formerly /reddits)
- various code cleanup / housekeeping (thanks @mc10!)
- Yet more Opera 12.* specific tweaks to regain functionality in Opera