FWIW as of a few months ago, Google and Mozilla were already prototyping porting their respective engines to iOS to prepare for this eventuality: https://9to5mac.com/2023/02/07/new-iphone-browsers/ https://9to5google.com/2023/02/06/google-chrome-blink-ios-we... - and Vivaldi would benefit from this work getting to Chromium as well.