[pietroalbini]

Rust doesn't have LTS releases. Editions are both a way to market the new features introduced in the past years as a "bundle" to outside users, and a way for us to introduce some breaking changes for the users opting into the new edition. The release an edition is stabilized in (1.31 for Rust 2018) does not get any special treatment from the Rust team though, and that includes no LTS support (for example we won't backport bug fixes, even security ones).

[galangalalgol]

Yikes! I had no idea. It takes my company years sometimes to approve a new point release of software. Rhel subscription was my backdoor to get rust at work. I knew I'd never get a cargo access or a mirror approved, but i thought some day I'd push for an lts release. I don't see my company ever doing sw approval and transfer to our development network faster than once a year.

[pietroalbini]

Well with RHEL 8 you can get a pretty up to date rustc, as they update the version in their stable repos every three months (so every two releases): https://developers.redhat.com/blog/2019/11/07/support-lifecy...