Whatвђ™s New In Rust 1.47 May 2026

: 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:

Range::is_empty and RangeInclusive::is_empty : Simple checks for whether a range contains no values. What’s new in Rust 1.47

Integer arithmetic operations like checked_add , saturating_sub , and checked_mul . : Added the Ayu theme to the documentation

: A significant standard library change now allows traits like Debug , Default , and PartialEq to be implemented for arrays of any length , lifting the previous restriction of length 32 or less. What’s new in Rust 1.47

Result::as_deref and Result::as_deref_mut : Useful for working with references inside Result types.