I've tried Safari, Vivaldi, and Chrome now. Disabled extensions, reinstalled MacOS, tested in safe mode, and even on a new profile. Every time I open a new tab, the energy impact climbs up instantly and the battery starts to heat up a lot.
https://i.redd.it/v9szsn04dloh1.jpeg
Source: r/MacOS · by /u/realSombreroPlayz