The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The first breaking change window begins 2024-04-22 09:00UTC and ends 2024-04-24 22:00UTC.
The rust infra team was just announced 1 month ago: https://internals.rust-lang.org/t/announcing-the-unofficial-rust-infrastructure-team/5093
But so far, that's the only repository I was able to find. I do hope they will provides more.