Toolbar's gone after pushing

[02VC7]

And I can't find the toolbar in the view hierarchy. Caused by iOS 10.3.3, iPhone 7.

[Cee]

OK, I'll check this problem.

[Cee]

@02VC7 Hi, I ran this project and didn't find the problem. Could you please provide the minimum project of your case? I'll check for that.

[02VC7]

It's 9.0. It happens when pushing from a rootViewController of a navigationController, and the navigationController is a childViewController of UITabbarController.

[Cee]

So, you mean that only on iOS 9.0 here comes the bug?

[02VC7]

Sorry for replying so late. I mentioned 9.0 because I misunderstood you words "the minimum project", I thought you ask me to provide the minimum support version of my project. And the project which could reproduce the problem is attached below.
TestFoSetting.zip