stuck on puzzle 30 :( and very annoyed LOL

The T piece goes right in the middle, filling the middle three columns of the top row

(A more explicit spoiler for it should also be in the spoilers thread in approximately 14 days if you don't get it by then, or someone else doesn't help by then :) https://itch.io/t/1763241/official-yffy-puzzle-spoiler-thread )