There were many many bugs, but this one had a significant effect on battery life: https://issuetracker.google.com/issues/37038331 https://issuetracker.google.co

There were many many bugs, but this one had a significant effect on battery life: https://issuetracker.google.com/issues/37038331 https://issuetracker.google.com/issues/37038331 For end users, it was a big regression from android 4, even if you personally found it "perfect".