Web browser "app mode" is dangerous

MAC OS and Linux are also affected. All Chromium-based browsers, including Google Chrome, Microsoft Edge and the Brave Browser are affected. Since my Opera GX browser is Chromium based it is also affected. 

https://www.bleepingcomputer.com/news/security/web-browser-app-mode-can-be-abused-to-make-desktop-phishing-pages/