They basically don't backport anything for Go, but the quid pro quo for that is that the backwards compatibility is pretty strong so upgrades should be safe. I

They basically don't backport anything for Go, but the quid pro quo for that is that the backwards compatibility is pretty strong so upgrades should be safe. I have seen one serious issue from it, but still it's the language I'm the most confident to do an upgrade and expect things to Just Work afterwards.