Okay, the Recall database is still an SQLite database in AppData. Same path.
Accessible without admin rights and without triggering UAC using TotalRecall.
It's encrypted using a .net now, AesGcm - https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.aesgcm
I think I've found the decryption key, one for another day as I've teevee to watch now.