Looks like it was introduced in 1.81.0: https://blog.rust-lang.org/2024/09/05/Rust-1.81.0/#new-sort-implementations https://blog.rust-lang.org/2024/09/05/Rust-

Looks like it was introduced in 1.81.0: https://blog.rust-lang.org/2024/09/05/Rust-1.81.0/#new-sort-implementations https://blog.rust-lang.org/2024/09/05/Rust-1.81.0/#new-sort-...