Found in the Dev Channel, this tweaked Chrome OS 105 feature could help boost Chromebook battery life.
JavaScript
Google I/O 2021: 9 new Chromebook features on the way
Day 1 of Google I/O 2021 didn’t reference Chromebooks much. After watching a video presentation I found 9 new Chromebook features on the way.
Sparkplug, a new mid-tier V8 compiler, will speed up JavaScript sites on Chromebooks, using less CPU power
Your Chromebook may get a performance boost with a new JavaScript interpreter and compiler approach in the works. It’s called Sparkplug and it will also use fewer CPU cycles, making it hit the battery less.