I found Microsoft teams app does not shown correct profile picture on my mac os 10.15. It is shown correctly on browser. I have reinstalled the app, but it doesnt work. the issue is not solved
According to the screenshot you provided, I totally understand the problem you encountered. Given this situation, you can try the following suggestions and check whether it works:
1. To determine whether it is related to your network, please change your network connection to others like WiFi and then restart your Teams to see the result.
2. Since the profile pictures are showing in Teams Web App, I suggest you try clearing the Teams cache and check if it makes any difference. To clear the cache, the steps are as follows: