I don’t really understand the critics for letting us as users get to know the product before it’s ready. To be able to test features and request missing ones is really nice. Of course, there are plenty of features that could exist and I think many of the comments shows that we as users think differently.
personally I would really like to see much higher compatibility between all cloud endpoints more than legacy stuff that exists in local outlook such as saving attachments to any site/folder. After using only web outlook for a couple of years there is nothing that pulls me “down” to outlook pro plus.
Also, the changes to iOS outlook (for example open shared calendar) is really making us mobile users extremely productive. Kudos to the team and please keep us able to receive pre-ga solutions if we switch the toggle to enable preview features.