It's answered here: https://github.com/golang/go/issues/18964#issuecomment-278307245 https://github.com/golang/go/issues/18964#issuecomment-27830... Once a rel

It's answered here: https://github.com/golang/go/issues/18964#issuecomment-278307245 https://github.com/golang/go/issues/18964#issuecomment-27830... Once a release candidate is issued, only documentation changes and changes to address critical bugs should be made. In general the bar for bug fixes at this point is even slightly higher than the bar for bug fixes in a minor release. We may prefer to issue a release with a known but very rare crash than to issue a release with a new but not production-tested fix.