Here’s a shady list for you:
All the browsers except ladybird.
For now.
It’s not a question of if the browser is shady anymore, it’s just a question of how shady it is, and how exactly it’s shady.
Edit: Sorry I misread your quesiton, it’s a good question. I always look dubiously at anything written in Rust, because most rust written open source software is a rewrite of other non-rust open source software with dubious or just unknown motives behind it. Doesn’t automatically shady, just makes me use the original instead just to be safe, because there’s usually no reason to use the rust rewrite anyhow.