When it comes to fitness apps on Apple Watch, sometimes it feels like Cupertino is running before it can walk. Fancy new features like Heart Rate Recovery are very welcome, but a few of the basics remain missing.

Apple could make major strides when it releases watchOS 5. So in the second of three posts about the future of watchOS, I’ll focus on five essential fitness features I’m hoping we’ll see at this year’s Worldwide Developers Conference.