Rust 1.99.0 released (lwn.net)

<a href="https://blog.rust-lang.org/2026/10/01/Rust-1.99.0/">Version
1.99.0</a>
of the Rust language has been released. Changes this time
include support for <tt>extern "C"</tt> variadic functions, the
establishment of functions for obtaining the size and alignment of raw
pointers, a number of stabilized APIs, and more.