https://blog.wongcw.com/2019/03/15/opera-web-browser-v60-0-3254-0-dev-v59-0-3229-11-beta-v58-0-build-3135-107/
Opera Web Browser v60.0.3254.0 Dev + v59.0.3229.11 Beta + v58.0 Build 3135.107