Here “use” can mean writing new code, debugging/maintaing old code etc.
Using a rugged android phone is talked about and sat on, that's about it.
One of the common complaints was that a lot of the core library had inconsistent function signatures[1], did they ever fix that? Always seemed to me that it would be an unfixable problem.
[1] https://softwareengineering.stackexchange.com/questions/3254...
(although sometimes I prefer C++, and learning Rust is still on my TODO list)
Previous jobs, not so long ago: Fortran, C, BASIC
Maybe not “old” but most of those are solid legacy.