Anyone who has written any tooling that works with Go code saw issues because almost everything changed in this regard. I was maintaining vim-go at the time, an

Anyone who has written any tooling that works with Go code saw issues because almost everything changed in this regard. I was maintaining vim-go at the time, and quite a few changes were needed there too. I don't have a list of issues at hand because it's been a while, but generally speaking the only reason things went "pretty seamless" is because people spent time updating the tooling.