Twitter is rolling out a change to its official iOS app:
https://twitter.com/twitter/status/1105815777616191489
Swipe left to bring up the camera, take a pic, add captions and location info, then post. Rolling out over the next day or so.
Casey Newton, writing for The Verge, took the new interface for a spin, has more details here.
Twitter has bigger problems than this unnecessary nonsense. Lag where touch is not responsive, text issues, etc. Plus the infestation of bots and fake accounts. Gimmicky “improvements” because they have nothing really new to think of.