Alpha v0.2.7

Self-Observability

• New command-line switch to control legacy and new metrics. Users are encouraged
  to experiment and migrate to the new metrics.
• Improved error handling on shutdown.

Processors

• Fixed passthrough mode k8sprocessor.
• Added HASH action to attribute processor.

Receivers and Exporters

• Added Honeycomb exporter.
• Added LightStep exporter.
• Added regular expression for Carbon receiver, allowing the metric name to be broken into proper label keys and values.
• Updated Stackdriver exporter to use a new batch API.

Alpha v0.2.6

Self-Observability

• Updated metrics prefix to otelcol and expose command line argument to modify the prefix value.
• Batch dropped span now emits zero when no spans are dropped.

Processors

• Extended Span processor to have include/exclude span logic.
• Ability to choose strict or regexp matching for include/exclude filters.

Receivers and Exporters

• Added Carbon receiver and exporter.
• Added Wavefront receiver.

Alpha v0.0.5

• Regexp-based filtering of span names.
• Ability to extract attributes from span names and rename span.
• File exporter for debugging.
• Span processor is now enabled by default.

Alpha v0.0.1

First release of OpenTelemetry Collector Contrib.