DICE's Karl-Magnus Troedsson has updated the Battlefield 3 blog
with a list of fixes and improvements the team have been tracking since the game was released. These have now been applied to updates (or forthcoming updates) and feature the following as directly pulled from the blog:
Quick Match Functionality - Status: Improved! Try it out and leave your feedback on the Battlelog forums
Joining Squads and Staying there - Status: Fix pending in the very near future
Hardcore Server Availability - Status: Try it out and leave your feedback on the Battlelog forums
Lag and Rubberbanding - Status: Fix just rolled out. We are positive this will improve the situation. Help us verify by playing Caspian Border and Tehran Highway on Conquest!
Default Region Setting in Server Browser - Status: Status: Fix pending in the very near future
Game Stability - Status: Status: Greatly improved! Leave your feedback on the Battlelog forums
Origin Installation and Authentication Issues - Status: Fix pending in the very near future
There're more details available from the link above, but it's a decent amount of stuff the team are broaching. What, if any, issues have you come across in your Battlefield 3 experience?