It probably won’t be in OSMC by default for another year or two.
There’s not a clean solution for support on Linux currently
Of course - Bluetooth functionality works for other purposes, such as keyboards and nice. The functionality isn’t experimental. The audio package is.
You can also install the A2DP package for experimental BT audio support and provide feedback on this thread.
That’s news to me. I don’t believe we’ve stated that A2DP is anything but experimental either.
Sam