No, no it's not. it used to be until profit driven board evicted founder and moved away from their rendering engine and dropped every innovation from opera to become a clone.

vivaldi[1] is where the innovation happens.

otter[2] is the open source project to recreate the innovating opera.

Then again the alternative to chrome has been iron[3] from the start and more recently epic[4]

[1]: https://vivaldi.com/ [2]: https://otter-browser.org/ [3]: http://www.srware.net/en/software_srware_iron.php [4]: https://www.epicbrowser.com/