Updates are always a hit and miss. I guess. That's why I keep fiddling around with my settings.
Sometimes I go dark mode, sometimes fhd+ or adaptive battery and adaptive power saving.
And sometimes I just go light mode no adaptive power saving or adaptive battery.
I have come to terms that anything over 5 hours SOT is good for me now.
I do gaming a lot if home on WiFi.
For my daily use if at work I am home with 70% battery left and then just game till 15% and then charge overnight for 100% in morning.
"WI-FI went down for five minutes, so I had to talk to my family.
They seem like nice people"