The most prominent update coming to Outlook for Windows is the new Simplified Ribbon and it’s showcased with the new Coming Soon feature pane. Over the last two years we’ve been talking, concepting a...
You summed it up perfectly, the same goes for the outlook properties box of an email you cannot resize the window to read the headers in that tiny screen!
You still can't easily share a centralised contact folder without messing around with public folders, or sharing a contact folder (which you then can't use as an available address book) etc ....
The office 365 group calendar in outlook does not show in teams
The office 365 group files tab in outlook is not the same one as in teams
You can't create a central shared calendar and have everyone get reminders without inviting everyone or adding that mailbox to your profile
The signature settings for outlook are not shared with outlook Web access
Auto added mailboxes cannot automatically set the right signature when you reply from that address
Auto added mailboxes do not have independent control over the notifications for that mailbox
if a user shares their mailbox with you - you just get inbox by default, you can't access any of the sub folders like sent items etc, when you go to File -> open & export -> open other users folder
these are all far more important than constantly tinkering around with icons and the ribbon