Partly.
I have opened a thread about MR8300 using 22.03.4 on april 10th. By this time the bug was already known. I was just cheking its presence in 22.03.4, and informing not to upgrade.
The original (oldest) thread was opened by @clauded on march 18th. I joined it on 19th. I'm only using the device from time to time, it's in a relative's home. So it took me some time to get it and perform tests/boot logs.