Rust has hit the point where it's in the conversation for what language you'd write a new project in, even for big companies (typically the most lethargic). I'

Rust has hit the point where it's in the conversation for what language you'd write a new project in, even for big companies (typically the most lethargic). I'd say it's at the level of mainstream where there's Rust being written in a significant portion of the industry, but not at the level of mainstream where it's somewhere in the stack behind most of organised society