stable 60.0.3255.170
http://get.geo.opera.com/pub/opera/desktop/60.0.3255.170/

Opera 63.0.3349.0 developer update
https://blogs.opera.com/desktop/2019/06/opera-63-0-3349-0-developer-update/
http://get.geo.opera.com/pub/opera-developer/63.0.3349.0/