This was one of the biggest powers of Mac OS X, before Electron became big.
Not many companies and people developed for Mac OS X, but the ones that did pretty strongly adhered to Apple’s design guidelines, partially because it just made dev live easier and partially because your application would stick out like a sore thumb if you didn’t.
At least the global menu still lives on macOS. I’m sad Gnome 3 didn’t pilfer it from Unity.
Not many companies and people developed for Mac OS X, but the ones that did pretty strongly adhered to Apple’s design guidelines, partially because it just made dev live easier and partially because your application would stick out like a sore thumb if you didn’t.
At least the global menu still lives on macOS. I’m sad Gnome 3 didn’t pilfer it from Unity.