1.0.1 - 2021-10-01

Fixed

• json stdout exporter no longer crashes due to concurrency bug. (#2265)

Metrics 0.24.0 - 2021-10-01

Changed

• NoopMeterProvider is now private and NewNoopMeterProvider must be used to obtain a noopMeterProvider. (#2237)
• The Metric SDK Export() function takes a new two-level reader interface for iterating over results one instrumentation library at a time. (#2197)
  • The former "go.opentelemetry.io/otel/sdk/export/metric".CheckpointSet is renamed Reader.
  • The new interface is named "go.opentelemetry.io/otel/sdk/export/metric".InstrumentationLibraryReader.