The thre is called "HW-K950 Firmware 3114 issues"
We've actually updated to version 3117.3. Please give that a try when you can.
Don't do this! 3117 is super buggy and will break your speakers even more than they were at 3114.
And this latest firmware - no one in Samsung support is able to clearly articulate what's in it. "Bug fixes" - no new features, probably no reason to upgrade to it if it only causes more issues with no added benefits.