Event details
MicrosoftHi Sandy, support for shared channels isn't something that is included in the launch of the new Planner. When we look beyond the launch, we'll be considering all the incoming ideas coming in from our customers. Can you vote for your vote for the feature over in our feedback portal? Thanks! https://feedbackportal.microsoft.com/feedback/forum/a1a93b69-2f1c-ec11-b6e7-0022481f8472
This is a deal breaker when building an architecture trying to minimized M365 group/Teams proliferation. Also, having the possibility to get external users (B2B direct connect) access to shared channel planner tasks would fullfill a common business case.
Same thing for private channel:
https://techcommunity.microsoft.com/t5/planner-events/microsoft-planner-ama/ec-p/4108426#M639