Beta 14 nav-direction only works correctly after app restart

Hi, the nav-direction works as expected in web-view, when i deploy to iOS, at first launch in every new build, all the nav-direction settings are ignored (just ‘forward’ by default no matter what settings), and every time the app is restarted, the directions works correctly according to my settings. any clue which part could go wrong and results in behaving like this? thank you.