It works perfectly, only curious question is that is it fine with Apple as above only they mentioned it is not recommended: | There isn't a recommended approach or API that reverts the TabView style. Please file an enhancement report asking for this behavior using Feedback Assistant and paste the FB number here.

Everyone, Testflight issue have been resolved and I have uploaded a new build and it is working fine now. Thanks Apple but wish it was clear earlier that it was a Testflight bug.