Tapbots has updated Tweetbot for Mac to version 1.4, adding both smoother scrolling and the ability to reply to tweets or DMs directly from notifications for users who are running OS X 10.9 Mavericks. The updated app also includes faster refreshing on lists and saved searches, as well as several different bug fixes and performance enhancements.What's New in Version 1.4 - Smoother Scrolling (10.9 only) - You can now reply to tweets/DMs from the notification itself (10.9 only) - Lists and saved searches now refresh every 2 minutes instead of 4 - Fixed the issue where you'd see 'Please enable wifi' when fetching your location while composing a tweet - Fixed the issue where searching your timeline, then scrolling to top then dismissing search field could move your timeline to th