New In Rust 1.47 — Whatвђ™s

: The compiler was upgraded to LLVM 11 , which brought various performance improvements and better hardware support.

Vec::leak : Allows "leaking" a vector to obtain a mutable reference that lives for the remainder of the program's life. What’s new in Rust 1.47

: The output of RUST_BACKTRACE was made more readable and compact. Stabilised Library APIs : The compiler was upgraded to LLVM 11