I have copied a collection view from the older app to the new test app, but unable to see the same two text components in the newer app, which are being shown in the old app.
Test app:
Another app:
Attached is the test app JSON.
Mobile App Test 1.json (35.8 KB)
What are the two versions of Retool you are using? I'm currently on 3.87.0 and the test app is populating correctly for me with the headers.
I'm also not able to repro 
@ali-sajjad-rizavi Are you still seeing this issue? (is it consistent or only reproducible sometimes?)