Planner Gantt Chart is an app for creating and managing project timelines and tasks. It provides a graphical view of the project timeline, which allows users to visualize how tasks are related to each other.
I created a Power Apps canvas app that you can use to view your Microsoft Planner tasks on a Gantt Chart. You can use it freely and make modifications to your version.
The following couple of features are added to the Gantt Chart App. They are introduced below. Meanwhile, if you just want to go ahead and download the latest version of the app, you can do so here
Microsoft Planner Gantt Chart with Power Apps – download your own! – terhoantila.com