You can now add the tweetId variable to the filename when downloading images/videos of a tweet (thanks @shuuji3 (#305))
Settings are now translated in German (thanks @Flak3 (#307 ))
The emoji completion should now add the selected emoji when using the Tab key (thx @Floppy012 (#309))
The verified icon on top of avatars is now a SVG icon which should look better in some browsers (namely Firefox)
Instagram embeds should work again
Back to the future
A new setting to re-enable the old dark theme has been added. Keep in mind that this is experimental and can break at any time and won't be maintained eternally either. Look for it in the Interface section!
Fixed some CSS after TweetDeck's update on the 6th of February that reduced the size of avatars and tweaked some layouts in the notifications columns