Expected behavior
Returned value should be 'Shared'
Actual behavior
Returned value is 'unknownFutureValue'
Steps to reproduce behavior
$channel = Get-PnPTeamsChannel -Team "Team 1" -Identity "Shared Channel 1"
$channel.MembershipType
What is the version of the Cmdlet module you are running?
2.4.0
Which operating system/environment are you running PnP PowerShell on?