# 2021-05-11 Version 1.0.0

## Highlights
* Now builds using [version 1.0+](https://github.com/open-telemetry/opentelemetry-specification/pull/1372) of the OpenTelemetry tracing specification
* Additional TraceGroup fields are emitted for enhanced searching and filtering

## Compatibility
* No compatibility issues with previous versions of Data Prepper.