Nah, some of those things went in. I remember seeing a change to keep small string/byte slices' bytes and the smallest size map on the stack sometimes now, for

Nah, some of those things went in. I remember seeing a change to keep small string/byte slices' bytes and the smallest size map on the stack sometimes now, for example. https://twitter.com/golang_cls https://twitter.com/golang_cls posts a selection of change discussions if you like this kind of stuff. The test/escape_* tests in the Go source tree show what escape analysis is expected to do and not do. Dmitry Vyukov, the author of the doc you linked, worked on a lot of the changes he was talking about; impressed with the range of his contributions (also including the race checker and go-fuzz).