Just updated to LibreELEC-S912.arm-8.2.5-Chroma.422.10bit
After the first boot there was an error that popped up quickly that talked of CEC not working and bluetooth connection was not automatically restored but after a couple more reboots, all was working correctly.
I have noticed one minor issue with all builds and that is that when I am playing a stream/video and I go into audio and subtitle settings, if I lower the volume and then select Set as default for all media, after the next reboot the setting is never retained.
Apart from that though, it's as flawless a performance that I could want for media playing /streaming and I don't bother with the Android route any more for these uses.