Rust 1.86.0 has been released! ✨🎊 🦀

This release adds trait upcasting, get_disjoint_mut on slices and hashmaps, #[target_feature] for safe functions, debug assertions for null pointers, Vec::pop_if, and more!

Check out the blog post and release notes for all the details: https://blog.rust-lang.org/2025/04/03/Rust-1.86.0.html