It is a completely different API compared to WebBrowser/MSHTL. It is akin to using CEF (Chromium Embedded Framework) for the most part. This can require rewriti

It is a completely different API compared to WebBrowser/MSHTL. It is akin to using CEF (Chromium Embedded Framework) for the most part. This can require rewriting pretty much everything that interacts with the browser currently as well as dealing with a completely different threading and event model in the new APIs (both WebView2 and WebKit/CEF/etc)