With Chromium browser as well

You English very yes!

I’ve bought Witch Spring R to play on Steam Deck while I do memory OC and testing on my PC

Then there are people who sleep while wearing boots

I was not aware this existed. Thanks for pointing it out! Added to wish list and waiting for sale :D

Vivaldi has tab hibernation so that the extra tabs barely take any resources unless you open them.

I use over 100 tabs. Basically serves as an always changing bookmarks. Those tabs are also split across multiple workgroups between which I can switch easily with a flick of my mouse.