Since I updated to the 2021.11 update, it looks like only the instantaneous and the lifetime entities are still fetched from the SolarEdge website, the values for week/month remain 0.
Additionally, if a sensor you used disappeared, it might have been disabled by default during upgrade. Please be sure to check if the entity is enabled in that case.
I just enabled them again and most sprang back to life, though a few have changed name so those needed updating also.
Oh how silly of me, I noticed the disabled icon and even hovered over it and it displayed disabled though I didn’t think of checking whether the entity was indeed disabled in HA rather than disabled as in broken/not available.
I still need to get used to disabled-by-default entities. Strange that I did not see any “breaking changes” listed for SolarEdge on the release notes.