1.56.0

1.56.0 (2021-10-21) #

Language #

Compiler #

* Refer to Rust’s [platform support page][platform-support-doc] for more information on Rust’s tiered platform support.

Libraries #

Stabilised APIs #

These APIs are now usable in const contexts:

Cargo #

Compatibility notes #

Internal changes #

These changes provide no direct user facing benefits, but represent significant improvements to the internals and overall performance of rustc and related tools.