My number one complaint is that they still don't have managed ARM runners. Considering how overpriced runners are (compared to cloud instances), I'm sure they would make a ton of money here.

My choices here are either to use a different CI solution (but I quite like Actions, and they are better integrated in the Github UI than alternatives), or to use custom self-hosted autoscaling runners (but there doesn't appear to be a good solution available at the moment, and I definitely don't want to managed infra for CI.)