Bunch of stuff was discovered and fixed relatively promptly: https://golang.org/doc/devel/release.html https://golang.org/doc/devel/release.html There was a pr

Bunch of stuff was discovered and fixed relatively promptly: https://golang.org/doc/devel/release.html https://golang.org/doc/devel/release.html There was a pretty thorough audit that discovered some of those issues. I'm not aware of anything outstanding - they're pretty good about patching things promptly.