Opera’s privacy policy explains how your data is being collected and shared when you use Opera products:' However, in 2016 it was sold to a Chinese consortium for $600 million – and a lot has changed. 'Opera started off as a decent browser, developed in Norway. But no more once I found out Opera is now Chinese owned and there are security concerns. At that time Opera invented tabbed browsing and had other very innovative stuff going on.
I started with Version 3 which was one of their first browsers. After many many many years I am finally giving up on Opera.