@katyajane Oof sorry to hear you're going through this too!
So, some success? I think? We extended her ww to 1h50/2h/2h/2h20-ish and now most days this past week she's had one long nap that lets us drop the 4th nap (sometimes with a super early, like 6:30-6:45 bedtime) So naps have improved...