> and also recently broke and fixed setting manual speed on DDR5 memory with ECC enabled (basically any setting higher or lower than 5200mhz or something was ignored).

Do you know when this was fixed? I recently updated my B650D4U and ended up stuck at 5200MHz instead of 5600MHz. Asrock Rack don't seem to take every update, but I have had luck getting beta releases in the past when I've asked about specific versions.