Safari does support extensions (implemented as Safari App Extensions that can wrap standard Web Extensions if desired). There was a time where WKWebView didn’t

Safari does support extensions (implemented as Safari App Extensions that can wrap standard Web Extensions if desired). There was a time where WKWebView didn’t support Web Extensions (i.e. Web Extensions could only be used with Safari). But since iOS 18.4, the WKWebExtension API has made it possible. I’ve been using it successfully to embed a Web Extension into my ebook reader app. https://developer.apple.com/documentation/webkit/wkwebextension https://developer.apple.com/documentation/webkit/wkwebextens...