Thanks to lots of hard work from people like John Ford and Rafael Ávila de Espíndola, we've made some great progress getting our total build + test time down. Average test times have taken a dip due to optimizations on debug builds: Average build times have also taken a dip due to disabling PGO: These awesome visualizations are brought do you by the Go Faster! dashboard. If you haven't seen it before, go check it out now!