opentelemetry-api, opentelemetry-core, opentelemetry-node, opentelemetry-plugin-http, opentelemetry-plugin-https, opentelemetry-sdk-node, opentelemetry-tracing, opentelemetry-web
- #1458 refactor: rename HttpText to TextMap propagator (@dengliming)
opentelemetry-api, opentelemetry-core, opentelemetry-exporter-collector-grpc, opentelemetry-exporter-collector-proto, opentelemetry-exporter-collector, opentelemetry-metrics
- #1446 Collector split (@obecny)
opentelemetry-exporter-collector, opentelemetry-exporter-jaeger, opentelemetry-exporter-zipkin, opentelemetry-node, opentelemetry-resources, opentelemetry-web
- #1419 chore!: refer to resource labels as attributes (@mwear)

:rocket: (Enhancement)

opentelemetry-api, opentelemetry-core, opentelemetry-shim-opentracing, opentelemetry-tracing
- #1447 Move SpanContext isValid to the API (@srjames90)
opentelemetry-plugin-xml-http-request
- #1476 Align xhr span name with spec (@johnbley)
opentelemetry-resource-detector-gcp, opentelemetry-sdk-node
- #1469 chore: bump gcp-metadata (@dyladan)
opentelemetry-exporter-prometheus
- #1310 feat: prometheus serializer (@legendecas)
- #1428 feat: Add missing prometheus exports for ValueRecorder, SumObserver & UpDownSumObserver (@paulfairless)
opentelemetry-core, opentelemetry-tracing
- #1344 feat: introduces ability to suppress tracing via context (@michaelgoin)
opentelemetry-api, opentelemetry-exporter-collector-proto, opentelemetry-plugin-http, opentelemetry-semantic-conventions, opentelemetry-tracing
- #1372 feat: adding possibility of recording exception (@obecny)
opentelemetry-api, opentelemetry-core, opentelemetry-exporter-collector-grpc, opentelemetry-exporter-collector-proto, opentelemetry-exporter-collector, opentelemetry-metrics
- #1446 Collector split (@obecny)
opentelemetry-metrics
- #1366 fix: ignore non-number value on BaseBoundInstrument.update (@legendecas)
opentelemetry-node
- #1440 fix: add Hapi and Koa to default supported plugins (@carolinee21)
opentelemetry-resources
- #1408 Feat: Migrate EC2 Plugin Resource Detector from IMDSv1 to IMDSv2 (@EdZou)
opentelemetry-core
- #1349 feat: faster span and trace id generation (@dyladan)
opentelemetry-context-async-hooks
- #1356 feat: use a symbol to store patched listeners (@Flarna)
opentelemetry-semantic-conventions
- #1407 semantic conventions for operating system (@obecny)
- #1409 removing semantic conventions from code coverage (@obecny)
- #1388 chore: transpile semantic conventions to es5 (@dyladan)

:bug: (Bug Fix)

opentelemetry-api, opentelemetry-metrics
- #1373 fix: updates ValueRecorder to allow negative values (@michaelgoin)
opentelemetry-metrics
- #1475 fix: proper histogram boundaries sort (@AndrewGrachov)
opentelemetry-core
- #1336 fix: correlation context propagation extract for a single entry (@rubenvp8510)
- #1406 Pass W3C Trace Context test suite at strictness 1 (@michaelgoin)
opentelemetry-context-base
- #1387 fix: allow multiple instances of core to interact with context (@dyladan)

:books: (Refine Doc)

opentelemetry-exporter-collector
- #1432 docs(exporter-collector): CollectorTransportNode should be CollectorProtocolNode (@Hongbo-Miao)
- #1361 chore: adding info about collector compatible version, removing duplicated doc after merge (@obecny)
opentelemetry-metrics
- #1427 chore: fix histogram type documentation (@TigerHe7)
Other
- #1431 Fix typo in document. (@dengliming)