"Of the official GNOME Core apps, Sophie found that 44.8% of them are written in the C programming language. That's followed by Vala with 20.7% and then JavaScript at 13.8%. Following JS is Rust with 10.3% of the GNOME Cores apps codebase being in Rust. Trailing Rust is Python at 6.9% and C++ at 3.45%."