On the profile, I’ve noticed that by default the “Reviews Done Per Day” and “New Grammar Per Day” charts show the first available data from way back when, rather than the most recent data (so you have to scroll to the opposite end of the charts to see the most recent data).
I’ve also noticed that only the “New Grammar Per Day” graph shows the next month too (April 2025, at the moment), meaning this chart is longer than the other one: