OTLPv1.9.0

31 Oct 2025since v1.8.0

0 breaking10 notable0 editorial

From the upstream release notes

profiles: drop field profile.comment_strindices. #729
profiles: clarify the original payload field comments. #722
profiles: add a note about cardinality implications for attribute values. #713
profiles: clarify dictionary guidelines: duplicates and other restrictions. #732
profiles: clarify the original payload field comments. #722
profiles: rename line -> lines and sample -> samples since they are repeated fields. #712
profiles: document more explicitly the dictionary zero element requirement. #711
all: drop attribute values restrictions. #707<br>
all: fix schema_url comments to include scope field coverage. #727
all: add missing field comments. #717

Read the full release notes

Notable10

removedmessageopentelemetry.proto.profiles.v1development.AggregationTemporalityenum removed from opentelemetry/proto/profiles/v1development/profiles.proto.
field removedfieldopentelemetry.proto.profiles.v1development.Profile.comment_strindicesField 7 (int32) removed.
field removedfieldopentelemetry.proto.profiles.v1development.ValueType.aggregation_temporalityField 3 (AggregationTemporality) removed.
renumberedfieldopentelemetry.proto.profiles.v1development.Profile.attribute_indicesField number changed from 12 to 11. Every previously encoded message decodes wrongly.
renumberedfieldopentelemetry.proto.profiles.v1development.Profile.dropped_attributes_countField number changed from 9 to 8. Every previously encoded message decodes wrongly.
renumberedfieldopentelemetry.proto.profiles.v1development.Profile.original_payloadField number changed from 11 to 10. Every previously encoded message decodes wrongly.
renumberedfieldopentelemetry.proto.profiles.v1development.Profile.original_payload_formatField number changed from 10 to 9. Every previously encoded message decodes wrongly.
renumberedfieldopentelemetry.proto.profiles.v1development.Profile.profile_idField number changed from 8 to 7. Every previously encoded message decodes wrongly.
field renamedfieldopentelemetry.proto.profiles.v1development.Location.lineRenamed to lines (field 3 unchanged). Binary OTLP is unaffected; OTLP/JSON keys on the name.
field renamedfieldopentelemetry.proto.profiles.v1development.Profile.sampleRenamed to samples (field 2 unchanged). Binary OTLP is unaffected; OTLP/JSON keys on the name.