I had problems with a blinking cursor on the stable release of Unraid 6.9 but after upgrading to 6.10.rc4 it worked again!
Now I have upgraded to Unraid 6.10rc5 and I get the dreaded cursor again 😞
No Firefox UI
I have tested this on a 1080P monitor with a HDMI cable
And another 4K monitor and another cable and result is the same this is what I see on both screen:
Hard to explain I made a video: (Sorry for the shaken picture)
Diag log attached below