Rejected because Deprecated API Usage UIWebView

ITMS-90809: Deprecated API Usage - New apps that use UIWebView are no longer accepted. Instead, use WKWebView for improved security and reliability. Learn more (UIWebView | Apple Developer Documentation).

I keep getting this mail every time after uploading archive, even fixed libiPhone-lib.a, one way someone else did it and solved the problem!
for testing, I downloaded latest version unity2019.3.8f1, archived a default empty project and uploaded it, still this mail coming.
How do I solve this ?

no idea man… i went everywhere in the web to find the solution… seems to be waste of time

If you are using latest stable Unity version (2019.4) and you get the error, then you have some plugin that uses UIWebView. So either remove that plugin or update it. If you do not know what plugin is problematic, then