Okay even though I said this I ended up clicking through the remaining levels myself anyway. It looks like levels 41, 43, and 44 are all fast levels now, in addition to all the ones that were already fast levels before the update.
Huh
I am very unprepared for this to be the case but I might try to do them fast anyway 
EDIT: just occurred to me some of them might also be dependent on the new radicals that were just added to lower levels so I might not to be able to do 41 fast anyway, I’ll see when I level up tomorrow