Heath-Supergene

Hello, @onevcat I sincerely appreciate your efforts to cover all issues from Xcode 13. I looked into the branches, `release/version6` and `fix/xcode-13`, and ended up that those separated branches might...

It seems that items of [UIApplication sharedApplication].windows' subviews is changed. First one of items is being used by FPPopoverController to present a popoverview by adding it as a subview.

Is it still ongoing? I dealt with this issue by using my own workaround to throw custom error object in the messageHandlerBatch. The custom error has properties to hold succeeded/failed...

I think that you could use it with few efforts because Swift has interoperability with Objective-C. The project hasn't any example written by Swift though.