I just updated to 3.24 and can confirm that I can enable “deep” sleep again without entering my death-cycle described here:
So, at least for me and with BIOS 3.24, my Framework 11th gen batch 8 is waking up from deep sleep again. It is currently running a standard encrypted installation of Fedora 43.
I need to check how the battery drains in this mode. It looks like my previous post contains outdated information now