There’s ongoing work that’s just (this week) starting to land to improve macOS battery life via CoreAnimation. That should help in the medium term.
As for crashing on sleep, that’s not normal behaviour. Maybe try refreshing Firefox via about:support? You’ll lose extensions etc but if nothing else it could help to narrow down the problem if it comes back.
Thanks for the heads up! I've got different extensions running in Chrome and Firefox, but according to Activity Monitor, Firefox's energy impact is 26.29, and Chrome's is 3.25. I've got Hacker News up in both, and that's the only tab that's open.
When I open a new video on YouTube, it spikes to 160ish, then drops to 100, then eventually settles into the lows 60s.
In Chrome, it shows similar... spiking when the video starts to stream around 160, but then quickly drops down to the high 30s.
Keen on seeing what the changes bring! (=
I just did a reinstall. Hope it helps the crashing issue.
At the end of the day, I really don't trust Google. But... if it comes down to having an extra hour on my laptop it's a bit of a tough call.
As for crashing on sleep, that’s not normal behaviour. Maybe try refreshing Firefox via about:support? You’ll lose extensions etc but if nothing else it could help to narrow down the problem if it comes back.