Compose text overflows sometimes
"Sometimes" seems to be best reproducible when using a hashtag to produce bold text (not sure if there are other cases where this occurs) – in that case, the line doesn't break at the appropriate character, as seen the in the video.
https://user-images.githubusercontent.com/6217438/210911280-67005c8d-13c0-4f0f-9260-98d79310a45c.mp4
Ooh i have this problem too, i thought it was because i changed my system font to comic sans lmfaoo but cool to know its not just that haha
it also appears to be worse with some fonts - miui's default system font being one of them. i sometimes can type multiple "i"'s that are invisible at the line's end before the line breaks.
I am also using MIUI and can confirm the same problem.