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Changelog

Unreleased

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Maturity

  • Remove if no changes for this section before release.

Changed: Metrics

  • Remove if no changes for this section before release.

Added

  • Remove if no changes for this section before release.

Removed

  • Remove if no changes for this section before release.

0.9.0 - 2021-04-12

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Maturity

  • collector/metrics/* is now considered stable. (#305)

Changed: Metrics

  • 🛑 [DATA MODEL CHANGE] Histogram/Summary sums must be monotonic counters of events (#302)
  • 🛑 [DATA MODEL CHANGE] Clarify requirements and semantics for start time (#295)
  • 🛑 [BREAKING] Deprecate labels field from NumberDataPoint, HistogramDataPoint, SummaryDataPoint and add equivalent attributes field (#283)
  • 🛑 [BREAKING] Deprecate filtered_labels field from Exemplars and add equivalent filtered_attributes field (#283)

Added

  • Common - Add bytes (binary) as data type to AnyValue (#297)
  • Common - Add schema_url fields as described in OTEP 0152 (#298)

Removed

  • Remove if no changes for this section before release.

0.8.0 - 2021-03-23

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Changed: Metrics

  • 🛑 [DEPRECATION] Deprecate IntSum, IntGauge, and IntDataPoint (#278)
  • 🛑 [DEPRECATION] Deprecate IntExemplar (#281)
  • 🛑 [DEPRECATION] Deprecate IntHistogram (#270)
  • 🛑 [BREAKING] Rename DoubleGauge to Gauge (#278)
  • 🛑 [BREAKING] Rename DoubleSum to Sum (#278)
  • 🛑 [BREAKING] Rename DoubleDataPoint to NumberDataPoint (#278)
  • 🛑 [BREAKING] Rename DoubleSummary to Summary (#269)
  • 🛑 [BREAKING] Rename DoubleExemplar to Exemplar (#281)
  • 🛑 [BREAKING] Rename DoubleHistogram to Histogram (#270)
  • 🛑 [DATA MODEL CHANGE] Make explicit bounds compatible with OM/Prometheus (#262)

0.7.0 - 2021-01-28

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Maturity

$$$Protobuf Encodings:**

  • collector/metrics/* is now considered Beta. (#223)
  • collector/logs/* is now considered Alpha. (#228)
  • logs/* is now considered Alpha. (#228)
  • metrics/* is now considered Beta. (#223)

Changed

  • Common/Logs/Metrics/Traces - Clarify empty instrumentation (#245)

Added

  • Metrics - Add SummaryDataPoint support to Metrics proto (#227)

0.6.0 - 2020-10-28

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Maturity

  • Clarify maturity guarantees (#225)

Changed

  • Traces - Deprecated old Span status code and added a new status code according to specification (#224) ** Marked for removal 2021-10-22 given Stability Guarantees.
  • Rename ProbabilitySampler to TraceIdRatioBased (#221)

0.5.0 - 2020-08-31

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Maturity Changes

Protobuf Encodings:

  • collector/trace/* is now Stable.
  • common/* is now Stable.
  • resource/* is now Stable.
  • trace/trace.proto is now Stable. (#160)

JSON Encodings:

  • All messages are now Alpha.

Changed

  • 🛑 [BREAKING] Metrics - protocol was refactored, and lots of breaking changes. ** Removed MetricDescriptor and embedded into Metric and the new data types. ** Add new data types Gauge/Sum/Histogram. ** Make use of the "AggregationTemporality" into the data types that allow that support.
  • Rename enum values to follow the proto3 style guide.

Added

  • Enable build to use docker image otel/build-protobuf to be used in CI. ** Can also be used by the languages to generate protos.

Removed

  • 🛑 [BREAKING] Remove generated golang structs from the repository

Errata

The following was announced in the release, but has not yet been considered stable. Please see the latest README.md for actual status.

This is a Release Candidate to declare Metrics part of the protocol Stable.

0.4.0 - 2020-06-23

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Changed

  • Metrics - Add temporality to MetricDescriptor (#140).

Added

  • Metrics - Add Monotonic Types (#145)
  • Common/Traces - Added support for arrays and maps for attribute values (AnyValue) (#157).

Removed

  • 🛑 [BREAKING] Metrics - Removed common labels from MetricDescriptor (#144).

Errata

The following was announced in the release, but this was not considered Stable until v0.5.0

This is a Release Candidate to declare Traces part of the protocol Stable.

0.3.0 - 2020-03-23

  • Initial protos for trace, metrics, resource and OTLP.