Slow Transition to Another Tab fails to set selected font

[nikeshakya]

Issue Description

I have customized bar buttons as follows bar.buttons.customize { (button) in button.font = UIFont(name: "SourceSansPro-Regular", size: fontSize)! button.selectedFont = UIFont(name: "SourceSansPro-Bold", size: fontSize)! } while transitioning from one tab to another.... selectedFont is not being set in current active tab..

Steps to reproduce: -> Slow/Fast swipe through tabs

Bug Image

Correct State

Wrong State (Selected tab doesn't have bold font)

[msaps]

@nikeshakya will check it out 👍

[nikeshakya]

@msaps okay thanks..will be looking to get updates on it