But the UI doesn’t change, apps get only minor updates (when they get them at all), and multiple features continue to be more limited than their iOS counterparts.
Changing filesystems, adding external graphics support, adding support for new image compression formats, and updating the graphics API to support VR are all important, and none of them are small tasks.
That's not because there's nothing here but because most of Apple's development work this time around went into under-the-hood additions and updates to foundational technologies. If you've felt like the last few macOS releases have been a little light, High Sierra won't change your mind.
