What's Changed

• profiles: add missing java_package option to pprofextended. by @jhalliday in https://github.com/open-telemetry/opentelemetry-proto/pull/558

New Contributors

• @jhalliday made their first contribution in https://github.com/open-telemetry/opentelemetry-proto/pull/558

Full Changelog: https://github.com/open-telemetry/opentelemetry-proto/compare/v1.3.1...v1.3.2

What's Changed

• profiles: fix versioning in selector by @florianl in https://github.com/open-telemetry/opentelemetry-proto/pull/551

New Contributors

• @florianl made their first contribution in https://github.com/open-telemetry/opentelemetry-proto/pull/551
• @dmathieu made their first contribution in https://github.com/open-telemetry/opentelemetry-proto/pull/552

Full Changelog: https://github.com/open-telemetry/opentelemetry-proto/compare/v1.3.0...v1.3.1

What's Changed

• Add new profile signal by @petethepig in https://github.com/open-telemetry/opentelemetry-proto/pull/534

New Contributors

• @steverao made their first contribution in https://github.com/open-telemetry/opentelemetry-proto/pull/542
• @petethepig made their first contribution in https://github.com/open-telemetry/opentelemetry-proto/pull/534

Full Changelog: https://github.com/open-telemetry/opentelemetry-proto/compare/v1.2.0...v1.3.0

Full list of differences found in this compare.

Added

• Indicate if a Span's parent or link is remote using 2 bit flag.
  #484
• Add metric.metadata for supporting additional metadata on metrics
  #514

Changed

• No changes.

Full list of differences found in this compare.

Added

• Add flags field to Span and Span/Link for W3C-specified Trace Context flags .
  #503

Changed

• Update and fix OTLP JSON examples. #516,
  #510,
  #499
• Remove irrelevant comments from metric name field. #512
• Add comment to explain schema_url fields. #504

What's Changed

• Add note about the possibility to have unstable components after 1.0.0 by @tigrannajaryan in https://github.com/open-telemetry/opentelemetry-proto/pull/489
• Add maturity JSON entry per package by @bogdandrutu in https://github.com/open-telemetry/opentelemetry-proto/pull/490

Full Changelog: https://github.com/open-telemetry/opentelemetry-proto/compare/v0.20.0...v1.0.0

This is release 0.20.0. It is a release candidate for upcoming 1.0.0.

What's Changed

Maturity

• Declare OTLP/JSON Stable. (#436) (#435)
• Provide stronger symbolic stability guarantees. (#432)
• Clarify how additive changes are handled. (#455)

Changed

• Change the exponential histogram boundary condition. (#409)
• Clarify behavior for empty/not present/invalid trace_id and span_id fields. (#442)
• Change the collector trace endpoint to /v1/traces. (#449)

Added

• Introduce zero_threshold field to ExponentialHistogramDataPoint. (#441) (#453)

Removed

• Delete requirement to generate new trace/span id if an invalid id is received. (#444)

Full Changelog: https://github.com/open-telemetry/opentelemetry-proto/compare/v0.19.0...v0.20.0

0.19.0 - 2022-08-03

Full list of differences found in this compare.

Changed

• Add csharp_namespace option to protos.
  (#399)
• Fix some out-of-date urls which link to specification. (#402)
• 🛑 [BREAKING] Delete deprecated InstrumentationLibrary,
  InstrumentationLibraryLogs, InstrumentationLibrarySpans and
  InstrumentationLibraryMetrics messages. Delete deprecated
  instrumentation_library_logs, instrumentation_library_spans and
  instrumentation_library_metrics fields.

Added

• Introduce Scope Attributes. #395
• Introduce partial success fields in Export<signal>ServiceResponse.
  #414

0.18.0 - 2022-05-17

Full list of differences found in this compare.

Changed

• Declare logs Stable.
  (#376)
• Metrics ExponentialHistogramDataPoint makes the sum optional
  (follows the same change in HistogramDataPOint in 0.15). #392

0.17.0 - 2022-05-06

Full list of differences found in this compare.

Changed

• Introduce optional min and max fields to the Histogram and ExponentialHistogram data point (#279)

0.16.0 - 2022-03-31

Full list of differences found in this compare.

Removed

• Remove deprecated LogRecord.Name field (#373).

0.15.0 - 2022-03-19

Full list of differences found in this compare.

Changed

• Rename InstrumentationLibrary to InstrumentationScope (#362)

Added

• Use optional for sum field to mark presence (#366)

Deprecated

• [Deprecate LogRecord.Name field (#357)

Changed

• Swagger generation updated to openapiv2 due to the use of an updated version of protoc in otel/build-protobuf
• Clarify attribute key uniqueness requirement (#350)
• Fix path to Go packages (#360)

Added

• Add ObservedTimestamp to LogRecord. (#351)
• Add native kotlin support (#337)

Removed

• Remove unused deprecated message StringKeyValue (#358)
• Remove experimental metrics config service (#359)

0.12.0 - 2022-01-20

Changed

• Rename logs to log_records in InstrumentationLibraryLogs. (#352)

Removed

• Remove deprecated messages and fields from traces. (#341)
• Remove deprecated messages and fields from metrics. (#342)

Version 0.11.0 adds:

• ExponentialHistogram is a base-2 exponential histogram described in OTEP 149. (#322)
• Adds TracesData, MetricsData, and LogsData container types for common use
  in transporting multiple ResourceSpans, ResourceMetrics, and ResourceLogs. (#332)

0.10.0 - 2021-09-07

Full list of differences found in this compare.

Maturity

• collector/logs/* is now considered Beta. (#311)
• logs/* is now considered Beta. (#311)

Added

• Metrics data points add a flags field with one bit to represent explicitly missing data. (#316)

Full list of differences found in this compare.

Maturity

• collector/metrics/* is now considered stable. (#305)
• metrics/*{-experimental} 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)

0.8.0 - 2021-03-23

Full list of differences found in this compare.

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)

• Add Summary metric type
• Declare Metrics beta
• Clarify what empty instrumentation name means, and missing instrumentation library