Go Broke the v1 Compatibility Promise
Go made a promise to developers. Code that was written today would always compile with newer versions of Go. And so far, they’ve kept that promise. But for developers of software that is maintained, they’ve also broken that promise. The language can now change, and Go changes its behavior based on the version defined in the go.mod file of a project. So if you don’t want to update your program to follow the new behavior of the language, you can keep your go.mod version aligned with that of your code. ...