Edited again: Well now it's doing the same thing again where it's not saving and syncing my updates in MS Teams Planner to my To Do desktop version, so whatever. Ha. Basically I just need to keep an eye on every update I make. (Note: both of my edits were in the same day)
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Edited: It seems to be working now, so maybe it was just a glitch for that day. I'll leave my original post here, below the line.
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I'm using the new planner (basic version, not premium) in MS Teams and when I check off an item that I completed, it *dings*, adds a checkmark, puts the line through the text, and puts the progress as "Complete", just like I would except.
The issue is, when I switch apps in MS Teams, for example I go to the Chat, Teams, Meet, Activity, etc. and then back to Planner, all my completed items are unchecked and no longer marked complete. It's as if it didn't really register and save my updates.
I've tried restarting my computer and logging out/back in to MS Teams and it's still doing this. My workaround has been to open the desktop version of "To Do" and check things off there. That seems to make the updates permanent and reflected in the MS Teams Planner.
Has anyone run into this issue and fixed it? Any thoughts? Thanks!