Oh, I thought navigating to the preferences was a bit more widely known already. I’m posting a few screenshots for clarification:

Step 1: Go to preferences (click on your avatar, then click on the 4th tab in the popup, click on Preferences, as highlighted in yellow):

grafik

Step 2: Click on Notifications in the menu on the left:

Step 3: Uncheck this one and save changes:

grafik

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