I believe MiddleClickAutoscroll was broken in last "stable" GNU/Linux version. I can check once I'm on my laptop.
https://forum.vivaldi.net/topic/102072/no-autoscroll-on-midd...
The proposed solution didn't work by the way. I uninstalled right there.
alt Hacker News
https://forum.vivaldi.net/topic/102072/no-autoscroll-on-midd...
The proposed solution didn't work by the way. I uninstalled right there.