1.6.0

Configuration

Enhancements

• Update the log message when service.name resource attribute is not set.

Repository

Enhancements

• Update CONTRIBUTING.md template to require signing commits.
• Suggest changelog sub-sections and labels.
• Require releases to contain a link to the upstream release notes.
• Add repiository permission exception for bot accounts.
• Remove signalfx/gdi-specification-* teams from permissions.
• Add admins team.

Release v1.5.0

Configuration

Bugfixes

• Remove SPLUNK_METRICS_ENDPOINT from Instrumentation Libraries
  (it was never really stable).

Enhancements

• Add SPLUNK_PROFILER_MEMORY_ENABLED.
• Deprecate jaeger-thrift-splunk option for OTEL_TRACES_EXPORTER.
• Remove the policy regarding Zipkin exporter.
• OTLP exporter can use either grpc or http/protobuf
  as the default transport protocol.

Repository

Enhancements

• Add tag protection rule requirement.
• Add Dependabot security configuration requirements.
• Grant Admin role for maintainers team.
• Allow using the documentation public repository
  and reference it in the CONTRIBUTING.md template.
• Require documenting all configuration parameters
  that are relevant to Splunk Observability Cloud.
• Require documenting all configuration parameters
  whose default or accepted values deviate from upstream.

Semantic Conventions

Breaking Changes

• Remove telemetry.sdk.language attribute from ResourceLogs.resource.

Bugfixes

• Remove redunant and conflicting statement about file and line for ResourceLogs.

Enhancements

• Recommened adding container.id, host.id, process.pid attributes
  to ResourceLogs.resource.
• Recommend setting process resource attributes.
• Recommend collecting runtime environment metrics.
• Add a required profiling.data.total.frame.count attribute to LogRecord for pprof-gzip-base64.
• Relax the meaning of allocation in LogRecord for pprof-gzip-base64.

Release v1.4.0

Configuration

• The RUM configuration is now stable.

Semantic Conventions

Breaking Changes

• Remove namespace field from profiling stack-trace lines and incorporate it to the function
  field.
• Remove line and column ranges in profiling stack-trace lines.

Bugfixes

• Clarify that there are two metadata lines (thread metadata and thread state),
  both of which can be left empty, containing only the newline.

Enhancements

• Add a required telemetry.sdk.language attribute to ResourceLogs.resource.
• Allow : characters in file names.
• Clarify source.event.period unit is milliseconds.

Release v1.3.0

General

• Add support information into versioning specification.
• Add behaviors specification.
• Refactor profiling into existing specification structure.

Bug fixes

• Replaced the example for Java system properties in specification/configuration.md.
• Increase profiling rate from 1s to 10s.

Configuration

Breaking Changes

• Change the Kubernetes package management solutions configuration option default for splunkPlatform.metricsEnabled to be false.

Enhancements

• Add SPLUNK_REALM to required environment variables that need to be supported by instrumentation libraries.
• Add SPLUNK_PROFILER* environment variables (SPLUNK_PROFILER_CALL_STACK_INTERVAL, SPLUNK_PROFILER_ENABLED, SPLUNK_PROFILER_LOGS_ENDPOINT) to the required configuration for instrumentation libraries.
• Add OTEL_TRACES_EXPORTER to required environment variables that need to be supported by serverless instrumentation libraries.

Semantic Conventions

Breaking Changes

• Use os.name instead of os.type for mobile RUM libraries.

Bugfixes

• Correct stability guarantee of the RUM section as experimental.

Enhancements

• Add experimental profiling semantic conventions.

Release v1.2.0

General

Bug fixes

• Properly use the terms "component" and "GDI repository".

Configuration

Enhancements

• Add experimental specification for the configuration for Kubernetes package
  management solutions.

Bug fixes

• Properly specify configuration statuses for RUM and serverless. These
  sections of the configuration specification are not stable and are correctly
  identified as such now.
• Clarify requirement for RUM beaconEndpoint configuration value to be HTTPS
  only on systems that allow such enforcement.

Versioning

Enhancements

• Add information about packaging project versioning. This allows packaging
  projects to be released as stable without the need for the project they
  package to be stable.

---

Full Changelog: v1.1.0...v1.2.0

Release 1.1.0

Repository

• Update template CODEOWNERS file to include the Splunk documentation team.
• Add repository LICENSE template.
• Clarify maintainer and approver teams can be shared across repositories.

Configuration

• Add support for the OTEL_SERVICE_NAME environment variable.
• Remove suggestion for end users of instrumentation libraries to provide
  configuration.
• Add RUM libraries configuration specification.
• Set the default value for OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT to 12000,
  instead of the default OpenTelemetry of unlimited.
• Require repositories to link to official Splunk docs in README.md.
• Add Serverless libraries configuration specification.

Profiling

• Initial, experimental, specification for profiling libraries added.

Release 1.0.0

General

• First stable release of the GDI specification. This release includes stable requirements and recommendations for GDI repository composition and versioning and Splunk distributions of OpenTelemetry configuration.

Release v1.0.0-rc.3

General

• Update stability guarantee for all specification documents.

Release v1.0.0-rc.2

General

• How experimental components are added and maintained in a project is now specified.
• Recommendations and requirements for distribution semantic conventions have been added.

Repository

Enhancements

• Guidance for repository permissions have been clarified. No individual is allowed to be granted permissions and all approvers now are assigned write permission to the repository.
• Relaxed requirement to include a RELEASING.md file. Projects with private build processes should not publish this information.

Versioning

Enhancements

• Clarified that the versioning policy applies to components of repositories.

Release v1.0.0-rc.1

General

• Initial README, configuration, repository, and versioning specification
• Initial contributing and changelog files
• Initial CODEOWNERS

Notes

• Primary focus is on Instrumentation Libraries for initial 1.0 release
• Initial Collector specification defined