open-telemetry/opentelemetry-java v1.66.0

Version 1.66.0

on GitHub

API

• Fix Baggage.fromContext() and Baggage.fromContextOrNull() to handle a null context (#8667)
• Do not percent-encode W3C baggage metadata (#8682)
• Fix ArrayIndexOutOfBoundsException in OtelEncodingUtils for invalid hex characters (#8748)

SDK

Traces

• Record processed spans before export completes and reject new spans on shutdown in SpanProcessor self-observability instrumentation (#8735)

Metrics

• Improve explicit bucket histogram contention performance (#8717)

Logs

• Record processed logs before export completes and reject new logs on shutdown in LogRecordProcessor self-observability instrumentation (#8698)

Exporters

• OTLP: Respect Retry-After in OTLP HTTP senders (#8633)
• OTLP: Add setEnabledProtocols option to OTLP HTTP exporter builders (#8610)
• OTLP: Reject mixing keyManager and sslContext in TlsConfigHelper (#8710)
• OTLP: Fix OkHttpGrpcSender mTLS when using the platform default trust store (#8758)
• OTLP: Suppress instrumentation of exporter requests in JdkHttpSender (#8757)
• OTLP: Accept RFC 1123 hostnames in EndpointUtil.validateEndpoint for OkHttp senders (#8746)
• OTLP: Include the number of affected items in exporter error logging (#8780)
• OTLP: Add toString to OtlpJsonLogging{Span,Metric,LogRecord}Exporter (#8725)
• OTLP Profiles: Improve JFR export example and align LinkData null-element handling with the spec (#8349)
• Prometheus: Remove default host log warning in PrometheusHttpServerBuilder (#8679)
• Prometheus: Align UCUM byte unit conversions with the specification table (#8752)

Extensions

• BREAKING Declarative config: Rename generated model POJO setters from with<Prop> to set<Prop> (#8742)
• Declarative config: Resolve experimental properties on stable APIs in generated model POJOs (#8654)
• Declarative config: Fix inverted scope_info_enabled and target_info_enabled flags in the Prometheus component provider (#8750)
• Declarative config: Support output_stream in otlp_file/development (#8676)
• Incubator: Add toString to ComposableAnnotatingSampler (#8645)

Project tooling

• Remediate zizmor findings in GitHub Actions workflows (#8592)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@abdessattar23
@adhamahmad
@ADITYA-CODE-SOURCE
@anoopjb
@anuraaga
@arimu1
@basti1302
@bogdandrutu
@breedx-splk
@cdsap
@chatgpt-codex-connector
@gniadeck
@itsmehotpants
@ivamly
@jack-berg
@jameyg42
@jaydeluca
@jhalliday
@jkwatson
@kalayciburak
@LarryHu0217
@LikeTheSalad
@maryliag
@NithinU2802
@noor-ahmadi
@opentelemetry-pr-dashboard
@opentelemetrybot
@psx95
@Rajkaran-122
@rmannibucau
@robintra
@thswlsqls
@trask
@zeitlinger