https://blog.wongcw.com/2020/10/17/opera-web-browser-v73-0-3820-0-dev-v72-0-3815-133-beta-v71-0-3770-271-stable/
Opera Web Browser v73.0.3820.0 Dev + v72.0.3815.133 Beta + v71.0.3770.271 Stable