I have a pro subscription and know I can edit tasks perfectly fine through other avenues, such as straight from the "Tasks" widget (pics under).
When I click the "Upgrade" button, I am brought to the plan page confirming I have the same "Tasks - Edit, track and assign tasks" as the Teams subscription.
Clicking on my 'test' task through the sidebar-
vs. clicking the same 'test' task through the homepage widget -