Please count me among the Fedora interested parties. For reference, here’s the packaging bug, but there hasn’t been much activity lately.
I’ll try to give a fuller reply later, but one thing I don’t see mentioned at all here is ABI. Fedora usually avoids static linking in packages, but I don’t see how we can ship any dylibs if there’s no way to update them. Even just std is questionable, it seems.
I think Fedora would even be fine rolling along with 6-week rust updates, IF we could do it without rebuilding every other rust-built package each time, not to mention whatever the users built themselves.
At a minimum, I think we need some clear guidelines of what is and isn’t expected to be compatible in ABI.