Audio [Q] HELP! XZ BT audio issues 4.3. Can anyone port the 4.2 bluetooth driver to 4.3?

If you are a heavy bluetooth user, like me (music mostly) then, the 4.3 is a huge disappointment in that regard. Why?

Lower VOLume output over bluetooth
Lower quality noticeable on BT headphones

And most important, the Alarms, Notifications, Incoming call's ringtone and mainly the system sounds are relayed on the Internal Speaker NOT over the bluetooth speaker as it used to in 4.2


So, I am kindly asking the smart guys here to come with a permanent fix, a bluetooth driver ported from 4.2 to 4.3? Something flashable or i dont know I'm now using 4.2 because of the bluetooth issues, and i really like how smooth 4.3 feels like.

Thank you and please help us out! I'm sure i'm not the only one with 4.3 BT issues.