Opera One - Laptop Fan Activity

[Brenski]

Brenski last edited by

Lenovo Slim i3:
i5 1245OH, 16gb ram / 50gb SSD

So Every time I open the browser - even just a single tab, the fan starts up (quite loudly). Then, this happens for any additional tabs opened.

Only extensions in use are
Opera Ad Block & Ublock Origin

Is there a way to fix this? If not, is there a way to roll back to an earlier version?