I’m switching the status to Partially Done.
The request for a Preview Team is still in the works. No new information is available at this time.
Team Discoverability is still being worked upon, no details are available at this time. If you support this idea please navigate over to the main topic and vote for it! https://microsoftteams.uservoice.com/forums/555103/
Change Prompt: this has been completed
Adding email as a left tab panel remains under review. We are working on adding several Teams and email integrations:
- Share to Teams: Share a copy of an email and any attachments into a chat or channel directly from Outlook
- Share to Outlook: Share a copy of a channel or chat conversation via email directly from Teams
- Actionable Teams Activity Emails: Teams missed activity emails display the latest replies and allow you to reply directly from Outlook
See this post for more information: