Same issue here. No updates for the My Servers plug-in show available, that is on 2023.03.09.1140 and I am on OS version 6.11.5.
unraid-diagnostics-20230323-1652.zip
No luck for me with pooled 1TB 970 Evo Plus either. Both are on firmware 2B2QEXM7. Downloaded the 4B2QEXM7 iso, but no supported SSDs supported per the tool.