Whatвђ™s New In Rust 1.47 May 2026

: The compiler now supports the -C control-flow-guard option for Windows platforms, providing an extra layer of security against memory corruption vulnerabilities.

Many existing methods were made const , allowing them to be used in constant contexts: The new method for all NonZero integers. What’s new in Rust 1.47

Integer arithmetic operations like checked_add , saturating_sub , and checked_mul . : The compiler now supports the -C control-flow-guard

ASCII character checks (e.g., is_ascii_alphabetic , is_ascii_digit ). What’s new in Rust 1.47

Compare these changes with more recent versions like .

: Added the Ayu theme to the documentation generator and enhanced the search functionality with a new help button for type-based searches. If you'd like more details, I can:

Several new APIs were added to the stable standard library, including: