I've heard good stuff about the film "Pride" which is still on my watchlidt, haven't wstched yet. I personally really liked "Petit fille" (french for "little girl") and 20.000 especies de abejas (20.000 species of bees) both films describe little trans girls and the struggle of them and their family of finding a place in such a trandphobic world.
Also last year I watched "Joyland" a Pakistani movie describing the situation/roles of trans people in Pakistan and about poverty and gender roles in Pakistan as a whole. Though this one has the most triggers and I did cry while watching, as do all these movies. If you want specific warnings for any of these movies I could follow up with some, though not all because my memory is funny like that.
Let my people go!