Rust 1.57

Hooray, custom profiles are now stable! This helps avoid rebuilds when toggling LTO and changing optimization levels.

&gt; [profile.production]<p>proof that using a config file was a poor idea for the long run<p>zig is doing it right with build.zig

What&#x27;s the status for custom final binary directory output `--out-dir` and why would it take so long to finalise it?

What a boring release. I don&#x27;t mean this as an insult, I think this is great.