> I just got back into a project written in Swift 3 and had to change a bunch of stuff to get it to work in Swift 5. Why? I keep hearing the language is going t

> I just got back into a project written in Swift 3 and had to change a bunch of stuff to get it to work in Swift 5. Why? I keep hearing the language is going to be stable "soon" but that doesn't appear to be happening. Swift 3 was released in 2016. Swift is ABI / source / module stable now, but that doesn't make it retroactively stable with a version released four years ago.