2.2.0

• Change measuring algorithm in BenchmarkBase to avoid calling stopwatch methods repeatedly in the measuring loop. This makes measurement work better for run methods which are small themselves.

2.1.0

• Add AsyncBenchmarkBase.

2.0.0

• Stable null safety release.

2.0.0-nullsafety.0

• Opt in to null safety.

1.0.6

• Require at least Dart 2.1.

1.0.5

• Updates to support Dart 2.