Almost. Jeffrey Mincey makes an argument that the best is yet to come for the Mac.
Word on the streets is that Apple has big plans for macOS and iOS and app developers by way of a major platform change. Think iOS apps on macOS, but done in such a way as to make development of applications on both a rather straightforward process. Developers could write for iOS and iPhone and iPad and have those applications blend in nicely on future macOS versions.