Release v0.42.0

What's Changed

• Standardize to shorthand license header. #954
• Fix logs handling of missing optional trace_id and span_id columns. #973
• Upgrade to v0.133.0 / v1.37.0 of collector dependencies. #890, #1010
  • Notable upgrade, this also bumps minimum Go version from 1.23.0 to 1.24, see collector #13627 and collector-contrib #41968.

Full Changelog: v0.41.0...v0.42.0

Go Modules

This release includes the following Go modules:

• github.com/open-telemetry/otel-arrow/[email protected]
• github.com/open-telemetry/otel-arrow/collector/cmd/[email protected]

Release v0.41.0

What's Changed

• Add proper automation in prepare-release workflow for collector/otelarrowcol-build.yaml. #804
• Upgrade various Go dependencies. #866
• Upgrade to v0.131.0 / v1.37.0 of collector dependencies. #866

Full Changelog: v0.40.0...v0.41.0

Go Modules

This release includes the following Go modules:

• github.com/open-telemetry/otel-arrow/[email protected]
• github.com/open-telemetry/otel-arrow/collector/cmd/[email protected]

Release v0.40.0

What's Changed

• Upgrade to v0.130.0 / v1.36.0 of collector dependencies. #718
• Use replaces directive to builder config to use dependencies from go folder when referenced as github.com/open-telemetry/otel-arrow/go. #718

Full Changelog: v0.39.0...v0.40.0

Go Modules

This release includes the following Go modules:

• github.com/open-telemetry/otel-arrow/[email protected]
• github.com/open-telemetry/otel-arrow/collector/cmd/[email protected]

Release v0.39.0

Note: v0.39.0 is the first attempted release of the renamed go module github.com/open-telemetry/otel-arrow/go

• Upgrade to v0.129.0 / v1.35.0 of collector dependencies. #669
• Change module name to github.com/open-telemetry/otel-arrow/go. #574

Release v0.38.0

• Downgrade Go to 1.23.0. #569
• Mark terminal version of github.com/open-telemetry/otel-arrow module. #572
• Retract github.com/open-telemetry/otel-arrow v0.37.0. #572

Release v0.37.0

Note: v0.36.0 was attempted on 2025-06-09 but had to be retracted per problems mentioned #566. This version (v0.37.0) contains a module retraction for v0.36.0. The Release object in GitHub was also deleted because it was virtually unusable.

• Remove concurrentbatch and obfuscation processors. #409
• OTAP AttributeStore parent_id encoding cleanup. #431
• Upgrade Go to 1.24.3. #440, #508
• Fix time unit of DurationTimeUnixNano to Duration_ns in Traces. #517
• Upgrade to v0.127.0 / v1.33.0 of collector dependencies. #526
• Retract github.com/open-telemetry/otel-arrow v0.36.0. #567

Release v0.35.0

• Upgrade to v0.123.x of collector dependencies. #332
• Upgrade to Arrow v18. #321
• Upgrade to v0.122.x of collector dependencies. #307

Release v0.34.0

• Upgrade to v0.120.0 of collector dependencies. #292

Release v0.33.0

• Upgrade to v0.119.0 of collector dependencies. #285, #286
• Perform additional updates in otel-arrow for upstream MetricsLevel deprecation. #287

Release v0.32.0

• Make a generic AttributesStore in pkg/arrow. #276
• Update to v0.117.0 collector dependencies. #277, #279
• Deprecate local versions of fileexporter and filereceiver in favor of upstream components with related README changes. #278
• Made an incremental step towards deprecating MetricsLevel usage in the project. #283