Whatвђ™s New In Rust 1.47 May 2026

Walk through how to enable on your Windows builds. What would be most helpful for your current project?

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

Explain how the simplifies your code.

f32::TAU and f64::TAU : Added the mathematical constant ( ) for more intuitive circle-based calculations. Walk through how to enable on your Windows builds

: By default, build dependencies are now built with opt-level = 0 to speed up compilation times. What’s new in Rust 1.47

: 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.