Rust 1.78.0: What's In It?

This story was originally published on HackerNoon at: https://hackernoon.com/rust-1780-whats-in-it.
Rust now supports a #[diagnostic] attribute namespace to influence compiler error messages.
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Rust 1.78 has upgraded its bundled LLVM to version 18, completing the announced u128/i128 ABI change for x86-32 and x86-64 targets. Distributors that use their own LLVM older than 18 may still face the calling convention bugs mentioned in that post.