2026.04

What's Changed

• Update opentelemetry-java-contrib version to v1.55.0 by @otelbot[bot] in #9536
• Update opentelemetry-collector-releases version to v0.149.0 by @otelbot[bot] in #9538
• Auto-update registry versions (ddef91234d37a057dad13cc54919ecb7db43a7a8) by @otelbot[bot] in #9541
• Update Collector component tables for v0.149.0 by @otelbot-docs[bot] in #9539
• Update community members by @otelbot-docs[bot] in #9540
• [zh] Add collector/install/ pages by @windsonsea in #9542
• Update community members by @otelbot-docs[bot] in #9547
• Change logger.warn to logger.warning by @Maffey in #9545
• [registry] Add missing components, sync contrib repos by @vitorvasc in #9508
• Add GA4 asset-fetch Edge Function (phase 1) and plan by @chalin in #9555
• Auto-update registry versions (6026b30c7dac76d8b2ada424b64c994ad3cc0c28) by @otelbot[bot] in #9568
• docs(i18n): update content/ja/docs/languages/python/getting-started.md by @Msksgm in #9564
• Publish favicons at the root and drop Docsy icons by @chalin in #9563
• Enable Hugo's default robots.txt generation by @chalin in #9561
• Update community members by @otelbot-docs[bot] in #9565
• docs(obi): Update OBI documentation for v0.7.0 release. by @MrAlias in #9557
• Fixing a sentence in the helm collector docs by @rklonner in #9518
• docs: improve clarity in observability definition by @sbarcoe90 in #9530
• Fix typo in OBI documentation by @MrAlias in #9558
• chore(deps): bump fossas/fossa-action from 1.8.0 to 1.9.0 by @dependabot[bot] in #9575
• chore(deps-dev): bump cspell from 9.8.0 to 10.0.0 by @dependabot[bot] in #9576
• chore(deps): bump step-security/harden-runner from 2.16.0 to 2.16.1 by @dependabot[bot] in #9574
• chore(deps): bump npm-check-updates from 19.6.6 to 20.0.0 by @dependabot[bot] in #9573
• Upgrade Docsy to v0.14.3-34-g4db086c6 by @chalin in #9581
• [registry] Update Standalone Aspire Dashboard entry by @martinjt in #9579
• Hugo config housekeeping and prep by @chalin in #9584
• Consolidate & clean up output fmt config by @chalin in #9586
• [Infra] Standardize language descriptors by @vitorvasc in #9551
• [CI] Consolidate label workflows into label-manager.yml; update component-label-map.yml by @vitorvasc in #9583
• Auto-update registry versions (4d83465e8edde274b26eea3a237e161016fe87b5) by @otelbot[bot] in #9594
• Enable Markdown-format output by @chalin in #9597
• Announce KubeCon India + normalize UTM param in blogs too by @chalin in #9595
• chore: update readme by @maryliag in #9604
• Move inactive members to emeritus by @maryliag in #9605
• Update OBI install docs by @MrAlias in #9590
• Add guidance and architecture top-level section by @tiffany76 in #9531
• chore(strip-hugo-ctx.sh): allow whitespace before __hugo_ctx by @chalin in #9606
• Update community members by @otelbot-docs[bot] in #9608
• Auto-update registry versions (03f97a63eaaee7e847d0a9d1fa78c88dca7cc01d) by @otelbot[bot] in #9609
• Upgrade Docsy v0.14.3-37-g6b1698a3 and non-Hugo NPM packages by @chalin in #9607
• Add Netlify edge-based markdown content negotiation by @chalin in #9603
• chore: fix typo in libraries.md by @vitorvasc in #9610
• [blog] Add Adobe OTel Collector usage story by @johannaojeling in #9411
• Auto-update registry versions (b4f38eb8aba47aeea3665fb7f4f48a9f1b9281b2) by @otelbot[bot] in #9616
• Update community members by @otelbot-docs[bot] in #9615
• Generate llms.txt using Docsy v0.14.3-44-gc6834296 by @chalin in #9614
• Refresh refcache by @otelbot-docs[bot] in #9498
• demo: update kubernetes deploy instructions by @puckpuck in #9620
• Update community members by @otelbot-docs[bot] in #9621
• [i18n][pl] Localize site homepage to Polish by @perk in #9543
• Blog post: OBI Header Enrichment by @MrAlias in #9587
• Track negotiated Markdown asset fetches with shared GA4 edge analytics by @chalin in #9624
• Adds asset tracking for explicit-path .md and .txt assets, and add cross-function coverage by @chalin in #9627
• Add GA headers to HTTP responses, add live-check fixtures as site test pages by @chalin in #9630
• Cleanup collector-sync module by @jaydeluca in #9631
• Auto-update registry versions (eefc3b299eebd1b79b9a480b1434c17a29f3ed2b) by @otelbot[bot] in #9629
• Define and adopt Phase 2b negotiated Markdown semantics, rework and complete test coverage, and more by @chalin in #9632
• [ja] docs(i18n): fix missing translation content\ja\docs\concepts\sig… by @naimonon77 in #9544
• Fix glossary links for Log and Propagators by @IonDragos2003 in #9625
• chore(deps-dev): bump prettier from 3.8.1 to 3.8.2 by @dependabot[bot] in #9635
• chore(deps): bump step-security/harden-runner from 2.16.1 to 2.17.0 by @dependabot[bot] in #9636
• chore(deps): bump actions/create-github-app-token from 3.0.0 to 3.1.1 by @dependabot[bot] in #9637
• Update opentelemetry-java version to v1.61.0 by @otelbot[bot] in #9628
• fix: update semcov dependency and fix minor bugs by @rmarra in #9572
• Migrate code-excerpts tooling to npm package version by @chalin in #9638
• docs(demo): add tail-based sampling example using service.criticality by @bachgarash in #9468
• docs: remove redundant "metrics" from data sources by @sammaji in #9639
• [otelcol] Rewrite the agent-to-gateway deployment page by @tiffany76 in #9173
• Go: document that users should check Enabled when making sychronous metric API calls by @dashpole in #9643
• Auto-update registry versions (255d3db70417be172382a464aa363fdbea4c0d5d) by @otelbot[bot] in #9645
• Refresh refcache by @otelbot-docs[bot] in #9623
• Update opentelemetry-collector-releases version to v0.150.0 by @otelbot[bot] in #9641
• Prometheus client compatibility guide page by @jack-berg in #9263
• Add Kapa assistant in-page button by @chalin in #9651
• Kapa modal dark-mode support by @chalin in #9652
• Auto-update registry versions (d4fa05e0fd11aaec4a723abb1ef0b731fbfaf08e) by @otelbot[bot] in #9657
• Update community members by @otelbot-docs[bot] in #9656
• Add prefer-blockquote-vs-docsy-alerts rule, apply rule to en pages, plus some copyedits by @chalin in #9659
• Update Collector component tables for v0.150.0 by @otelbot-docs[bot] in #9655
• fix(collector/quick-start): clarify demo scope, explain ports, improve prerequisites by @favxlaw in #9622
• Revisit AI disclaimer translations to match en entry for ui_search_ai_modal_disclaimer by @chalin in #9653
• blog: add post on Elastic PHP distro donation (#9434) by @intuibase in #9617
• Remove draft status of PHP donation blog post by @tiffany76 in #9667
• platforms/kubernetes: update logging documentation for Python SDK bump by @xrmx in #9666
• Auto-update registry versions (070bcb887da9b79c7d10dfee8b8fd98e45ec5d33) by @otelbot[bot] in #9670
• Update community members by @otelbot-docs[bot] in #9669
• Refresh refcache by @otelbot-docs[bot] in #9658
• update the examples to use the new OTEL_CONFIG_FILE variable by @codeboten in #9340
• chore(ux): re-enable search in homepage navbar by @chalin in #9671
• Auto-update registry versions (6d4cbdb5975dea2b5b682e275ad18c3d78608957) by @otelbot[bot] in #9678
• Clarify OBI support, compatibility, and limitations docs by @MrAlias in #9642
• Refactor spec/semconv integration workflows: extract pick-branch helper by @chalin in #9682
• docs(collector): update internal telemetry RPC metrics by @dol in #9554
• Update NPM packages, but not Hugo yet by @chalin in #9691
• chore(deps): bump step-security/harden-runner from 2.17.0 to 2.19.0 by @dependabot[bot] in #9692
• chore(deps): bump astral-sh/setup-uv from 8.0.0 to 8.1.0 by @dependabot[bot] in #9693
• chore(deps): bump github/codeql-action from 4.35.1 to 4.35.2 by @dependabot[bot] in #9694
• Update opentelemetry-specification version to v1.56.0 by @otelbot[bot] in #9701
• Docs: Modify Prometheus exporters section under Language APIs & SDKs by @Wineshuga in #9570
• [blog] Add Skyscanner OTel Collector usage story by @johannaojeling in #9634
• Add AGENTS.md, skills page, and refcache skill by @chalin in #9706
• Migrate JavaScript API&SDK documentation to new structure - Task 1 by @DevpriyaDave in #9687
• Auto-update registry versions (bba2f007cfd2cb455aac7ae5bd68973873c54e6e) by @otelbot[bot] in #9717
• Refresh refcache by @otelbot-docs[bot] in #9679
• Refresh refcache by @otelbot-docs[bot] in #9719
• Refresh refcache by @otelbot-docs[bot] in #9720
• [pt] Localize content/pt/docs/collector/deploy/_index.md by @GRISONRF in #9648
• Refresh refcache by @otelbot-docs[bot] in #9721
• docs(python): Rename Getting Started to Getting Started by Example by @proxence in #9710
• Update opentelemetry-java-instrumentation version to v2.27.0 by @otelbot[bot] in #9714
• Update opentelemetry-android version to v1.3.0 by @otelbot[bot] in #9725
• [adjust-pages.pl] Add upper bound version support to patch helper by @vitorvasc in #8912
• Refresh refcache by @otelbot-docs[bot] in #9722
• Refresh refcache by @otelbot-docs[bot] in #9728
• Auto-update registry versions (3991a3f2b003884fab1ca1a03f4135eb214034d1) by @otelbot[bot] in #9731
• Update community members by @otelbot-docs[bot] in #9730
• Update docs after OTel .NET Auto 1.15.0 release by @Kielek in #9732
• Blog post for OpenTracing compatibility deprecation by @adp2201 in #9386
• docs(obi): update zero-code OBI docs for v0.8.0 by @MrAlias in #9672
• Adds maintainer skill for resolving non-2XX entries on the refcache-refresh PR by @chalin in #9729
• [adjust-pages.pl] clarify patch field semantics, and other changes by @chalin in #9727
• Announce Observability Summit North America 2026 by @jpkrohling in #9726
• Make announcements redirect with 302 for announcements that have expired by @chalin in #9733
• feat(8087): [ro] Add translation for docs/contributing/acknowledgements.md by @IrinaKarantoniou in #9412
• Refresh refcache by @otelbot-docs[bot] in #9734
• docs+config: add shared cSpell all-words list and update spelling guidance by @chalin in #9736
• Add declarative configuration docs for Spring Boot starter by @zeitlinger in #9448
• Declarative Config Spec Docs - Schema transform by @jaydeluca in #9654
• chore: .gitignore cleanup and tmp dir consolidation by @chalin in #9737
• Refresh refcache by @otelbot-docs[bot] in #9739
• Docs: Add index page for compatibility section by @Wineshuga in #9712
• Add exportercreator to registry by @stuart23 in #9499
• Fixes Kapa launcher overlap with site footer by @chalin in #9748
• Clean up compatibility docs metadata and rename Prometheus clients page by @chalin in #9746
• Fix announcement ordering, document conventions, render event list as md by @chalin in #9747
• Extend filename check to flag obsolete paths (e.g., tools/) by @chalin in #9751
• Add Icinga 2 to vendors by @bobapple in #9740
• Fix typo in description of otel.java.exporter.retry.disabled by @jack-berg in #9761
• fix(java): add console to known values for otel.metrics.exporter by @Joyboy48 in #9749
• [uk] Ukrainian translation of the blog post "2025 Year in review" by @Andygol in #8923
• Auto-update registry versions (399e8b2a29cbf492767cde2fdc51aa9b7226b9d9) by @otelbot[bot] in #9764
• Update semantic-conventions version to v1.41.0 by @otelbot[bot] in #9763
• Refresh refcache by @otelbot-docs[bot] in #9745
• Improve hugo ctx directive remover script by @chalin in #9766
• feat:ro docs/contributing/issues.md by @didiViking in #9754
• Add .NET documentation for Samplers by @IonDragos2003 in #9757
• chore(deps): bump npm-check-updates from 21.0.3 to 22.0.1 by @dependabot[bot] in #9758
• Refresh refcache + add ignore rule by @otelbot-docs[bot] in #9768
• Improve refcache-fix skill and add double-check --retry-404 by @chalin in #9772
• Refresh refcache by @otelbot-docs[bot] in #9773
• [pt] Translate deploy/agent.md and deploy/choose.md by @GRISONRF in #9649
• japnese survey blog v1 by @E-STAT in #9660
• chore: replace deprecated app-id with client-id for actions/create-github-app-token by @Copilot in #9774
• Fix author line in Japanese survey blog post by @AndrejKiri in #9777
• Update opentelemetry-java-contrib version to v1.56.0 by @otelbot[bot] in #9775
• correct feat:ro docs/contributing/issues.md by @didiViking in #9771
• Refresh refcache by @otelbot-docs[bot] in #9778
• Refresh refcache, link fix, refresh-refcache-pr-fix skill tweak by @otelbot-docs[bot] in #9786
• Refresh refcache and skill tweak by @otelbot-docs[bot] in #9787
• Blog post for Ecosystem Explorer by @jaydeluca in #9690
• chore: remove move to emeritus by @maryliag in #9788
• Update community members by @otelbot-docs[bot] in #9784
• Auto-update registry versions (f120b9d989f3f0472dbb5ed3fac9c7d938ac103f) by @otelbot[bot] in #9790
• Add contribution guidance to blueprints and reference implementations by @danielgblanco in #9767
• Add Agentic skills: draft-issue, review-blog-post, review-pull-request by @vitorvasc in #9626
• Add java docs describing continuous benchmarking by @jack-berg in #9781
• Update opentelemetry-collector-releases version to v0.151.0 by @otelbot[bot] in #9782
• Update PHP SDK Logger Documentation with new Log Destination Option by @SoulofAkuma in #9685
• Update Collector component tables for v0.151.0 by @otelbot-docs[bot] in #9789
• Docs(C++ getting started): Simplify local setup and remove privileged install requirement by @andyrochi in #9738
• Refresh refcache by @otelbot-docs[bot] in #9791
• docs(demo): document minimal mode by @reggied in #9779
• fix(docs-redirects): don't force announcements redirects by @chalin in #9793
• fix(i18n/pl): correct Polish dictionary name in cspell config by @vitorvasc in #9795
• Update semantic-conventions-java version to v1.41.0 by @otelbot[bot] in #9796
• [ja] docs(i18n): sync content/ja/docs/contributing/acknowledgements.md by @kota-sakuma in #9306

New Contributors

• @Maffey made their first contribution in #9545
• @rklonner made their first contribution in #9518
• @sbarcoe90 made their first contribution in #9530
• @perk made their first contribution in #9543
• @naimonon77 made their first contribution in #9544
• @IonDragos2003 made their first contribution in #9625
• @rmarra made their first contribution in #9572
• @bachgarash made their first contribution in #9468
• @sammaji made their first contribution in #9639
• @favxlaw made their first contribution in #9622
• @intuibase made their first contribution in #9617
• @dol made their first contribution in #9554
• @DevpriyaDave made their first contribution in #9687
• @GRISONRF made their first contribution in #9648
• @proxence made their first contribution in #9710
• @adp2201 made their first contribution in #9386
• @IrinaKarantoniou made their first contribution in #9412
• @bobapple made their first contribution in #9740
• @Joyboy48 made their first contribution in #9749
• @SoulofAkuma made their first contribution in #9685
• @andyrochi made their first contribution in #9738
• @reggied made their first contribution in #9779

Full Changelog: 2026.03...2026.04