Updates for folder projects, scripting autocomplete improvements.
mobilefirstplatform.ibmcloud.com/blog/2020/01/27/Removal-of-UIWebview
UIWEBVIEW will be discontinued similar to flah player ... so nothing u can do but drop UIWebView and start using WKWebView.
FYI, Construct switched to WKWebView years ago. It's probably third-party Cordova plugins that still use it.