2026.01

What's Changed

• Refresh refcache by @otelbot-docs[bot] in #8728
• Add ducklake collector exporter to the registry by @hrl20 in #8732
• zero-code/python: list more instrumentations that supports http headers capture by @xrmx in #8729
• docs(js): update resources.md to use instrumentation.mjs instead of t… by @pmady in #8687
• [zh] Add content/zh/docs/languages/js/context.md by @chluknight1224 in #8738
• Auto-update registry versions (a5935745405ab4586b774f39fe340c0559093bb7) by @otelbot[bot] in #8740
• Update ParentBased sampler description by @Geun-Oh in #8737
• Remove usage of WithRouteTag in go doc by @dmathieu in #8742
• Add YAML examples for OBI service discovery exclusion configuration by @pratik-mahalle in #8685
• Refresh refcache by @otelbot-docs[bot] in #8735
• [Infra] Update component owners by @vitorvasc in #8743
• [Infra] Update component owners by @vitorvasc in #8744
• [zh] Add content/zh/docs/languages/js/propagation.md by @chluknight1224 in #8745
• Modify content/en/docs/languages/js/propagation.md by @chluknight1224 in #8746
• Modify content/en/docs/languages/js/context.md by @chluknight1224 in #8739
• Fixed SVG Incorrect Text by @rohIta-k in #8748
• Auto-update registry versions (0cac60fa54e64c7357aaa37ee52d3c167fd55a4b) by @otelbot[bot] in #8752
• Update community members by @otelbot-docs[bot] in #8751
• Refresh refcache by @otelbot-docs[bot] in #8754
• Blog Post - What 10,000 Slack Messages Reveal About OpenTelemetry Adoption Challenges by @jpkrohling in #8727
• Copyright year range: use present for current year by @chalin in #8758
• fix: style compliance, tense, capitalization by @shubhkr72 in #8420
• [blog] Open the current and prev year-group in the sidenav + copyedit by @chalin in #8759
• Auto-update registry versions (b81a07ac753224ba0c6c1050e6910becd4ac23b9) by @otelbot[bot] in #8765
• Update community members by @otelbot-docs[bot] in #8764
• Refresh refcache by @otelbot-docs[bot] in #8766
• Update opentelemetry-collector-releases version to v0.143.1 by @otelbot[bot] in #8749
• [i18n] Update drifted status for localized content by @vitorvasc in #8767
• refactor : Collector deployment pages and create new (hidden) child pages by @adity1raut in #8372
• [docs] Copy edit Collector installation page (#8354) by @bellaguang1216 in #8542
• Auto-update registry versions (6785d4fe0719e523517b0812888d0820a62153e9) by @otelbot[bot] in #8773
• Refresh refcache by @otelbot-docs[bot] in #8774
• [blog] Create a year-in-review post for 2025 for the Comms SIG by @tiffany76 in #8760
• Update opentelemetry-specification to v1.53.0 by @otelbot-docs[bot] in #8762
• Update opentelemetry-java version to v1.58.0 by @otelbot[bot] in #8782
• [pt] update content/pt/_includes/page-drifted-msg.md by @maryliag in #8789
• [pt] update content/pt/ecosystem/adopters.md by @maryliag in #8788
• [pt] update content/pt/docs/contributing/announcements.md by @maryliag in #8790
• [pt] update content/pt/docs/contributing/localization.md by @maryliag in #8787
• chore: update NPM packages except Hugo by @chalin in #8830
• [pt] update content/pt/_index.md by @maryliag in #8827
• [pt] update content/pt/blog/_index.md by @maryliag in #8825
• [pt] update content/pt/community/end-user/_index.md by @maryliag in #8826
• [pt] update content/pt/blog/2025/declarative-config.md by @maryliag in #8824
• [pt] update content/pt/blog/2025/contribute-to-otel.md by @maryliag in #8823
• [pt] update content/pt/docs/concepts/semantic-conventions.md by @maryliag in #8822
• [pt] update content/pt/docs/concepts/sampling/index.md by @maryliag in #8821
• [pt] updates content/pt/docs/languages/java/_index.md by @maryliag in #8819
• [pt] update content/pt/docs/languages/java/configuration.md by @maryliag in #8818
• [pt] update content/pt/docs/languages/java/intro.md by @maryliag in #8817
• [pt] update content/pt/docs/languages/python/_index.md by @maryliag in #8815
• [pt] updates content/pt/docs/languages/sdk-configuration/general.md by @maryliag in #8816
• [pt] update content/pt/docs/languages/go/_index.md by @maryliag in #8813
• [pt] update content/pt/docs/languages/python/exporters.md and getting-started.md by @maryliag in #8814
• [pt] update content/pt/docs/languages/go/instrumentation.md by @maryliag in #8812
• [pt] updates content/pt/docs/languages/go/getting-started.md by @maryliag in #8811
• [pt] updates content/pt/docs/languages/go/sampling.md by @maryliag in #8810
• [pt] updates content/pt/docs/languages/js/_index.md by @maryliag in #8808
• [pt] updates content/pt/docs/zero-code/java/agent/api.md by @maryliag in #8809
• [pt] updates content/pt/docs/languages/js/libraries.md by @maryliag in #8807
• [pt] updates to content/pt/docs/contributing/pr-checks.md by @maryliag in #8802
• [pt] updates content/pt/docs/contributing/development.md by @maryliag in #8803
• [pt] update content/pt/docs/languages/js/context.md by @maryliag in #8805
• [pt] update content/pt/docs/contributing/acknowledgements.md by @maryliag in #8798
• [ja] docs(i18n): Translate content/en/docs/collector/extend/build-fro… by @kohbis in #8683
• [ja] docs(i18n): Translate content/en/docs/collector/extend/_index.md by @kohbis in #8682
• [ja] docs(i18n): Update content/ja/docs/concepts/glossary.md to align with default language version by @kohbis in #8717
• [pt] updates content/pt/docs/languages/js/getting-started/browser.md by @maryliag in #8806
• [en] remove duplicate text in IA policy alert by @maryliag in #8831
• Auto-update registry versions (875465679f0ff599a8a95fc9cfe0225430420b89) by @otelbot[bot] in #8836
• [zh] Add content/en/docs/languages/js/sampling.md by @chluknight1224 in #8768
• [i18n] Assign unique weight for zero-code index in all languages by @chalin in #8834
• [pt] updates content/pt/docs/contributing/_index.md and /pull-requests.md by @maryliag in #8804
• [pt] updates content/pt/docs/contributing/blog.md by @maryliag in #8796
• [ja] docs(i18n): Translate content/en/docs/collector/install/kubernet… by @kohbis in #8679
• [ja] docs(i18n): Translate content/en/docs/collector/install/docker.md by @kohbis in #8672
• [ja] docs(i18n): Translate content/en/docs/collector/install/_index.md by @kohbis in #8671
• [es] Fix es/status frontmatter by @chalin in #8833
• [pt] update content/pt/docs/contributing/issues.md by @maryliag in #8800
• [fr] Move zero-code/go index to its new position by @chalin in #8844
• [pt] Move concepts/context-propagation to its new location by @chalin in #8845
• [i18n] Move concepts/context-propagation.md for es, fr, ja, zh by @chalin in #8848
• Remove unnecessary es include index file by @chalin in #8849
• Update Hugo to 0.154.5 by @chalin in #8850
• [pt] update content/pt/docs/languages/sdk-configuration/otlp-exporter.md by @vitorvasc in #8843
• Add Portuguese localization to projects folder by @vitorvasc in #8627
• [pt] update content/pt/docs/contributing/style-guide.md by @vitorvasc in #8842
• [pt] update content/pt/ecosystem/registry/adding.md by @vitorvasc in #8840
• [pt] update content/pt/docs/contributing/sig-practices.md by @vitorvasc in #8841
• Fix typo in content/en/docs/languages/java/instrumentation.md by @vitorvasc in #8858
• Fix GFM alert rendering by @chalin in #8859
• Bump github/codeql-action from 4.31.9 to 4.31.10 by @dependabot[bot] in #8861
• Adjust GFM alert-type to alert-style mapping and more by @chalin in #8863
• Fix docs: Update how to enable the otlp receiver for Prometheus by @theervilha in #8846
• Fix i18n GFM alert title translations for Portuguese by @chalin in #8864
• Improve GFM alert support with md in title, and more by @chalin in #8865
• chore: cleanup en i18n multiline formatted entries by @chalin in #8867
• Add missing OBI instrumentation configuration options by @MrAlias in #8868
• Style-guide: correct md alert syntax description and add guidance by @chalin in #8869
• Update semantic conventions to v1.39.0 by @otelbot-docs[bot] in #8311
• Update adjust-pages.pl: drop obsolete patch, adjust apply cond for others by @chalin in #8874
• Auto-update registry versions (2730bba4535c3dcd7dd2d600ffb076597fcdc3cf) by @otelbot[bot] in #8877
• Update community members by @otelbot-docs[bot] in #8876
• Update Tranzzo adoption reference by @illenko in #8878
• Refresh refcache by @otelbot-docs[bot] in #8828
• [demo] add details to k8s instructions by @julianocosta89 in #8855
• Extend collector configuration doc by @dmathieu in #8771
• Add new blog post: Demystifying OpenTelemetry: Why You Shouldn’t Fear Observability in Traditional Environments by @luke6Lh43 in #8549
• [blog] Update language to be more inclusive in Demystifying OTel post by @tiffany76 in #8891
• Refresh refcache by @otelbot-docs[bot] in #8882
• [CI] Add bot action to auto-respond to first-timers asking for issue assignment by @pratik-mahalle in #8733
• chore: start using blockquote alert syntax by @chalin in #8886
• chore: update local and in-page dictionaries so spell-check passes by @chalin in #8893
• Update community members by @otelbot-docs[bot] in #8896
• Auto-update registry versions (68efa3ccbcc37942b8308107d1ed2e40c6e0d6e8) by @otelbot[bot] in #8897
• [pt] update content/pt/docs/concepts/signals/logs.md by @vitorvasc in #8854
• Convert all en page Note alerts to markdown syntax by @chalin in #8894
• [ja] docs(i18n): Translate content/en/docs/demo/services/_index.md by @takuto-yamamoto in #8838
• chore: rewrite in Hugo syntax all note alerts with custom colors or titles by @chalin in #8901
• chore: rewrite in Hugo syntax all note alerts with bare titles by @chalin in #8902
• chore: convert Docsy warnings, cautions, and tips to Hugo Markdown syntax by @chalin in #8904
• OBI: update the Metric features section by @mariomac in #8853
• chore: convert remaining Docsy alerts to Hugo Markdown syntax by @chalin in #8905
• Update community members by @otelbot-docs[bot] in #8908
• Auto-update registry versions (132c966bfa209fa5f33310a2e03b8803d0d7c7d2) by @otelbot[bot] in #8909
• [ja] docs(i18n): Update drifted content under content/ja/docs/languages/ruby/ by @kohbis in #8903
• [CI] Update spelling check workflow and related scripts by @chalin in #8907
• OBI: fix link to metrics features by @mariomac in #8911
• Refresh refcache by @otelbot-docs[bot] in #8898
• [pt] update content/pt/docs/languages/java/api.md by @vitorvasc in #8857
• Fix: typo in context propagation SVG by @vitorvasc in #8910
• [pt] update content/pt/docs/languages/java/instrumentation.md by @vitorvasc in #8860
• blog: otel-js Node.js DOS Mitigation by @JamieDanielson in #8916
• [pt] update content/pt/docs/concepts/context-propagation/index.md by @vitorvasc in #8852
• Auto-update registry versions (f3a47b54574984bc251ca6878464e2db76ec0853) by @otelbot[bot] in #8917
• update obi metrics with new attributes by @theSuess in #8914
• Update Docsy to v0.13.0-25-g8a2528f0, use NB alerts, drop hook by @chalin in #8919
• Upgrade Docsy to v0.13.0-27-gc9f42991, drop obsolete i18n entries by @chalin in #8920
• Replace site-build-info shortcode with Docsy version by @chalin in #8921
• Added a new subsection configuring certificates in the configuration … by @pratik-mahalle in #8692
• Fix alert color in Spanish dotnet docs by @abalso0 in #8922
• Version update script: drop collector/configuration.md by @jaydeluca in #8925
• Update opentelemetry-java-instrumentation version to v2.24.0 by @otelbot[bot] in #8926
• Update Docsy to v0.13.0-29-ga989a329, fix sidebar height issue by @chalin in #8929
• Configure Hugo to emit deprecation warnings by @chalin in #8932
• Convert remaining alerts (that were using invalid shortcode args) by @chalin in #8931
• Ensure banners are the same width as the full viewport by @chalin in #8935
• Auto-update registry versions (2bbe6fabab6a767c08149ba5e7faf807d092794c) by @otelbot[bot] in #8936
• [ja] docs(i18n): Translate content/en/docs/collector/scaling.md by @kohbis in #8580
• [ja] docs(i18n): Translate content/en/docs/concepts/context-propagation/index.md by @kohbis in #8712
• [ja] docs(i18n): Move content/ja/docs/collector/building/_index.md -> content/ja/docs/collector/extend/custom-component/_index.md by @kohbis in #8889
• [ja] docs(i18n): Move content/ja/docs/collector/custom-collector.md -> content/ja/docs/collector/extend/ocb.md by @kohbis in #8890
• Cleanup/refactoring of client-apps overview placeholder page by @chalin in #8927
• [ja] docs(i18n): Translate content/en/docs/collector/deploy/other/_index.md by @kohbis in #8888
• [a11y] Improve navbar color contrast, switch to secondary color for hover color by @chalin in #8939
• Redesigned homepage by @theletterf in #8652
• Update PR template: improve questions and formatting by @chalin in #8944
• Update PULL_REQUEST_TEMPLATE: fix formatting, add footnote by @chalin in #8949
• Bump @opentelemetry/auto-instrumentations-web from 0.54.0 to 0.55.0 by @dependabot[bot] in #8948
• Bump @opentelemetry/exporter-trace-otlp-http from 0.209.0 to 0.210.0 by @dependabot[bot] in #8947
• Bump @opentelemetry/instrumentation from 0.209.0 to 0.210.0 by @dependabot[bot] in #8946
• Add KloudMate's Distribution to distributions.yaml by @ansh-devs in #8943
• Refine issue templates, fix "React 👍🏻" footnote, and more by @chalin in #8950
• Bump prettier from 3.7.4 to 3.8.0 by @dependabot[bot] in #8945
• Auto-update registry versions (26fdb53a6d48e5ab7b9279e7515e4436f1e957cb) by @otelbot[bot] in #8952
• Fix banner positioning and width by @chalin in #8953
• [ja] docs(i18n): Track path changes docs/collector/deploy #8372 by @kohbis in #8837
• Refresh refcache by @otelbot-docs[bot] in #8918
• fix(docs): Update broken link by @prcr in #8955
• feat: add log dedup processor blog post by @jpkrohling in #8781
• [ro] docs/concepts/semantic-conventions.md by @dnanuti in #8951
• Update opentelemetry-collector-releases version to v0.144.0 by @otelbot[bot] in #8954
• Update community members by @otelbot-docs[bot] in #8959
• Auto-update registry versions (7c2b3a35675b5e1d506fbf415e5ce382bd9a6d42) by @otelbot[bot] in #8960
• Update Collector component tables for v0.144.0 by @jaydeluca in #8957
• Update opentelemetry-java-contrib version to v1.53.0 by @otelbot[bot] in #8958
• Update Docsy to v0.13.0-55-g93322ff3 by @chalin in #8965
• Update .textlintrc.yml by @chalin in #8966
• Add dapr workflow blog post by @kaspernissen in #8698
• Refresh refcache by @otelbot-docs[bot] in #8961
• [ES] Fix localization drift for Contribute docs by @theletterf in #8942
• Update community members by @otelbot-docs[bot] in #8971
• Registry page: ensure md alert renders correctly by @chalin in #8968
• Auto-update registry versions (2a495d14daec691802f9ad5173f46a9ef91c5822) by @otelbot[bot] in #8972
• Refresh refcache by @otelbot-docs[bot] in #8973
• Update Docsy to v0.13.0-59-g7bcae61c by @chalin in #8970
• Update docs after OTel .NET Auto 1.14.0 release by @Kielek in #8977
• docs(sig-practices): update contribution guidelines by @vitorvasc in #8974
• Auto-update registry versions (c95dff58d95224c1cd7d62f4e74b2a95362609aa) by @otelbot[bot] in #8981
• [ro] Add translation for docs/concepts/observability-primer.md by @dnanuti in #8956
• OBI 2026 goals blog post by @MrAlias in #8969
• docs(contrib): fix missing Submitting content link by @lehmannro in #9002
• docs(contrib): document common build error by @lehmannro in #9004
• [zh] Add content/zh/docs/zero-code/js/*.md by @chluknight1224 in #8820
• [zh] Add content/en/docs/languages/js/resources.md by @chluknight1224 in #8757
• [zh] Add content/zh/docs/languages/js/serverless.md by @chluknight1224 in #8770
• [zh] Add the remaining content/zh/docs/languages/js/*.md files by @chluknight1224 in #8775
• [zh] Add content/zh/docs/concepts/instrumentation-scope/*.md by @chluknight1224 in #8915
• Update community members by @otelbot-docs[bot] in #8991
• Auto-update registry versions (a361f86becc9ca7aa3ae6af6520628f078ca8250) by @otelbot[bot] in #8992
• Update opentelemetry-configuration kitchen-sink.yaml references by @vitorvasc in #8880
• Add Metoro to vendors by @Chrisbattarbee in #8986
• [ro] feature /content/docs/concepts/distributions by @didiViking in #9003
• Add documentation to setup OBI with Helm by @MrAlias in #8978
• Document local path usage for site-local links by @Copilot in #8995
• Bump @opentelemetry/instrumentation from 0.210.0 to 0.211.0 by @dependabot[bot] in #9011
• Bump @opentelemetry/auto-instrumentations-web from 0.55.0 to 0.56.0 by @dependabot[bot] in #9013
• Bump dyladan/component-owners from 0.1.0 to 0.2.0 by @dependabot[bot] in #9014
• Bump step-security/harden-runner from 2.14.0 to 2.14.1 by @dependabot[bot] in #9015
• Bump prettier from 3.8.0 to 3.8.1 by @dependabot[bot] in #9016
• Bump actions/checkout from 6.0.1 to 6.0.2 by @dependabot[bot] in #9017
• Bump github/codeql-action from 4.31.10 to 4.31.11 by @dependabot[bot] in #9018
• Bump @opentelemetry/exporter-trace-otlp-http from 0.210.0 to 0.211.0 by @dependabot[bot] in #9012
• [ro] feature content/docs/getting-started/ops.md by @miaits in #8963
• Update link checker query param used to ignore valid URLs, and more by @chalin in #9020
• docs(contrib): Rework side note about build errors and npm install by @chalin in #9021
• Add initial documentation for opentelemetry-kotlin by @fractalwrench in #8983
• [ro] prerequisites.md and _index.md by @didiViking in #9009
• Refresh refcache by @otelbot-docs[bot] in #8982
• Add Kotlin to the list of languages in homepage by @theletterf in #9024
• Move kotlin position in telemetry support table by @fractalwrench in #9023
• Update language docs weights while preserving order by @chalin in #9027
• Clarify translation guidelines for alerts by @chalin in #9032
• Add search bar exception for homepage by @theletterf in #9022
• Add custom markdownlint rule for alert types by @chalin in #9034
• Remove Markdownify usage from homepage partials by @theletterf in #9026
• Reduce CSS overrides for homepage by @theletterf in #9033
• Refactor validate-links rule to use micromark parser, convert to mjs, add tests by @chalin in #9037
• Cleanup homepage SCSS and search structure by @chalin in #9042
• Add Dynatrace metric exporter for GoLang to the registry by @akahenry in #9038
• docs: Add comprehensive content for Android client apps platform page by @pratik-mahalle in #8713
• Update opentelemetry-android version to v1.1.0 by @otelbot[bot] in #9044
• Revert back to blocks/cover for homepage hero section by @chalin in #9045
• Update semantic-conventions-java version to v1.38.0 by @otelbot[bot] in #9047
• Auto-update registry versions (628fb3db0f61d93cbe41b6a587e7913185f81f37) by @otelbot[bot] in #9051
• Update community members by @otelbot-docs[bot] in #9050
• Add 2025 blog index files for Spanish and Portuguese by @chalin in #9049
• docs(python): Add Windows terminal examples to getting-started guide by @pratik-mahalle in #8875
• Update Docsy to v0.13.0-67 and use new navbar and blocks features by @chalin in #9048
• chore: update Go getting started by @pellared in #9052
• Refactor SCSS: move styles into separate files by @chalin in #9053
• [ro] feature /content/docs/concepts/components.md by @didiViking in #9028
• OpenTelemetry Collector Follow-up Survey Report by @E-STAT in #9025
• Update community members by @otelbot-docs[bot] in #9056
• Auto-update registry versions (d724805c5bc9e2a422fa5ee36c01699eabe5d20e) by @otelbot[bot] in #9057
• Update semantic-conventions-java version to v1.39.0 by @otelbot[bot] in #9055
• [pt] update content/pt/docs/contributing/glossary.md by @Rxfa in #8847
• Refresh refcache by @otelbot-docs[bot] in #9054
• fix: handle multiline comments in first-timer-response by @pratik-mahalle in #9041
• Update content/en/docs/platforms/kubernetes/collector/components.md by @chluknight1224 in #9059
• chore(spelling): house keeping of local dictionaries, remove unused words and sort/dedup word lists, and more by @chalin in #9062
• fix(ci): skip FOSSA workflow on forks by @vitorvasc in #9063
• chore(aliases): normalize aliases, tweak redirects partial by @chalin in #9065
• Update NPM deps, Hugo to 0.155.0, and adjust-pages.pl by @chalin in #9066
• add warning about invalid documentation for standalone OBI setup by @pellared in #9067
• Add OpenTelemetry to bn-words.txt by @chalin in #9068
• Add CTA buttons to end-user page, and make some copyedits by @chalin in #9064
• Fix homepage horizontal overflow and some shortcodes do support md by @chalin in #9072
• Update community members by @otelbot-docs[bot] in #9073
• [zh] Add content/zh/docs/platforms/kubernetes/getting-started.md by @chluknight1224 in #9039
• [zh] Add content/zh/docs/platforms/kubernetes/collector/components.md by @chluknight1224 in #9058
• chore(hugo-config): refactor language mounts to use matrix sites config by @chalin in #9070
• chore(shortcode): fix variable reference for page context in include.html by @chalin in #9069
• Recover homepage CNCF section styles, and improve on them by @chalin in #9076
• Update community members by @otelbot-docs[bot] in #9080
• docs(es): add Spanish translations for feature-flags and screenshots by @ccalvop in #9007
• Fix Run OBI as a standalone process doc by @pellared in #9077
• update OBI YAML configuration to add context propagation and remove wakeup_len by @pellared in #9078
• docs(es): add Spanish translation for demo requirements section by @ccalvop in #9005
• docs(es): add Spanish translation for demo telemetry-features section by @ccalvop in #9006
• docs(es): add Spanish translations for demo root files by @ccalvop in #9001
• chore(SCSS): drop unnecessary styles, refactor home.scss, and more by @chalin in #9081

New Contributors

• @hrl20 made their first contribution in #8732
• @Geun-Oh made their first contribution in #8737
• @rohIta-k made their first contribution in #8748
• @shubhkr72 made their first contribution in #8420
• @bellaguang1216 made their first contribution in #8542
• @theervilha made their first contribution in #8846
• @takuto-yamamoto made their first contribution in #8838
• @ansh-devs made their first contribution in #8943
• @prcr made their first contribution in #8955
• @dnanuti made their first contribution in #8951
• @kaspernissen made their first contribution in #8698
• @Chrisbattarbee made their first contribution in #8986
• @akahenry made their first contribution in #9038
• @E-STAT made their first contribution in #9025
• @Rxfa made their first contribution in #8847
• @ccalvop made their first contribution in #9007

Full Changelog: 2025.12...2026.01