Users of Verizon's Galaxy S5 are seeing an over-the-air update today. The update brings the S5 to Android version 4.4.4, and includes device-specific fixes for Bluetooth audio issues. Folks in the forums have also noticed minor interface changes, so you have that to look forward to as well.
If you've got a Verizon branded S5, you can check for your update today. Jump in the forums for more discussion!