
Mikhail Leonov engineered and maintained distributed tracing and OpenTelemetry documentation within the openshift/openshift-docs repository, focusing on clarity, accuracy, and maintainability. He delivered release notes, upgrade guides, and deprecation updates, restructuring content to improve navigation and onboarding for OpenShift users. Leveraging YAML and AsciiDoc, Mikhail applied disciplined version control and cross-repository alignment to reduce misconfigurations and support queries. His work included technical writing, information architecture, and refactoring, ensuring documentation kept pace with evolving features and security requirements. The depth of his contributions is reflected in comprehensive coverage, precise configuration guidance, and consistent updates that support both developers and operators.

Month: 2025-09. Focused on the openshift/openshift-docs repository, delivering key documentation improvements for Probabilistic Sampling Processor and Distributed Tracing. Structural rework and version updates were implemented to better align with Tempo/OpenTelemetry components. No major bugs were fixed this month; the emphasis was on documentation quality, consistency, and maintainability, enabling faster onboarding and more accurate user guidance.
Month: 2025-09. Focused on the openshift/openshift-docs repository, delivering key documentation improvements for Probabilistic Sampling Processor and Distributed Tracing. Structural rework and version updates were implemented to better align with Tempo/OpenTelemetry components. No major bugs were fixed this month; the emphasis was on documentation quality, consistency, and maintainability, enabling faster onboarding and more accurate user guidance.
August 2025 (2025-08) — Delivered security and observability release notes for OpenTelemetry 3.7 in the openshift/openshift-docs repo. The release notes cover distributed tracing and OpenTelemetry 3.7, including a CVE fix, a network policy enhancement to restrict API access, and a known issue with fetching trace JSON in the Jaeger UI. Also updated guidance on deprecated/removed features and clarified the status of technology preview features. The work was committed in 4d545c654c213eef94a14d28b6f44e535ad9e5e9 (OBSDOCS-2245).
August 2025 (2025-08) — Delivered security and observability release notes for OpenTelemetry 3.7 in the openshift/openshift-docs repo. The release notes cover distributed tracing and OpenTelemetry 3.7, including a CVE fix, a network policy enhancement to restrict API access, and a known issue with fetching trace JSON in the Jaeger UI. Also updated guidance on deprecated/removed features and clarified the status of technology preview features. The work was committed in 4d545c654c213eef94a14d28b6f44e535ad9e5e9 (OBSDOCS-2245).
July 2025 monthly summary for openshift/openshift-docs: Delivered consolidated OpenTelemetry and Distributed Tracing documentation updates, including scope enhancements, instrumentation guidance, and versioned release notes for DT/OTel 3.6.1 and 3.7. These updates, together with Go auto-instrumentation and Apache HTTP Server guidance, improve developer onboarding, accelerate telemetry integration, and reduce support overhead. Clarified feature constraints and instrumentation details (Tempo CR overrides, OTel instrumentation annotations) to prevent misconfigurations. Prepared and published 3.6.1 patch release notes and aligned 3.7 coverage with product roadmap. Technologies demonstrated include OpenTelemetry, distributed tracing, instrumentation tooling, and release-note management. Business value: clearer guidance, faster upgrades, and consistent customer communications.
July 2025 monthly summary for openshift/openshift-docs: Delivered consolidated OpenTelemetry and Distributed Tracing documentation updates, including scope enhancements, instrumentation guidance, and versioned release notes for DT/OTel 3.6.1 and 3.7. These updates, together with Go auto-instrumentation and Apache HTTP Server guidance, improve developer onboarding, accelerate telemetry integration, and reduce support overhead. Clarified feature constraints and instrumentation details (Tempo CR overrides, OTel instrumentation annotations) to prevent misconfigurations. Prepared and published 3.6.1 patch release notes and aligned 3.7 coverage with product roadmap. Technologies demonstrated include OpenTelemetry, distributed tracing, instrumentation tooling, and release-note management. Business value: clearer guidance, faster upgrades, and consistent customer communications.
June 2025 monthly summary for openshift/openshift-docs: Delivered consolidated Distributed Tracing 3.6 release documentation and deprecation updates, including Jaeger deprecation guidance, TempoStack transition, and OpenTelemetry exporter/processor docs. Implemented UI/documentation clarity improvements and prepared release notes to support a smooth 3.6 rollout.
June 2025 monthly summary for openshift/openshift-docs: Delivered consolidated Distributed Tracing 3.6 release documentation and deprecation updates, including Jaeger deprecation guidance, TempoStack transition, and OpenTelemetry exporter/processor docs. Implemented UI/documentation clarity improvements and prepared release notes to support a smooth 3.6 rollout.
Month: 2025-05 | Repository: openshift/openshift-docs. Delivered Distributed Tracing Documentation Improvements: restructured and flattened docs for easier navigation, updated cross-references, standardized product name usage, and fixed markdown formatting to improve clarity for users configuring and using distributed tracing features. Implemented via commits 146182b81fed83f1cf0842218d8ff93ee4060b15 (Flatten the Distributed tracing docs structure), 798b1d7670e4675e849bc1556bf105fb79832a36 (Post-merge fix), and 509ebb9a10b7bee1b29f1d2e0fae38fbb1d47c10 (Fix tick). Impact: faster onboarding, reduced ambiguity, and improved maintainability of the OpenShift distributed tracing docs. Skills demonstrated include documentation engineering, markdown proficiency, cross-reference management, and disciplined version-control practices.
Month: 2025-05 | Repository: openshift/openshift-docs. Delivered Distributed Tracing Documentation Improvements: restructured and flattened docs for easier navigation, updated cross-references, standardized product name usage, and fixed markdown formatting to improve clarity for users configuring and using distributed tracing features. Implemented via commits 146182b81fed83f1cf0842218d8ff93ee4060b15 (Flatten the Distributed tracing docs structure), 798b1d7670e4675e849bc1556bf105fb79832a36 (Post-merge fix), and 509ebb9a10b7bee1b29f1d2e0fae38fbb1d47c10 (Fix tick). Impact: faster onboarding, reduced ambiguity, and improved maintainability of the OpenShift distributed tracing docs. Skills demonstrated include documentation engineering, markdown proficiency, cross-reference management, and disciplined version-control practices.
Delivered Tempo 3.5.1 Release Notes and Known Issues for openshift/openshift-docs in 2025-03, including coverage of new CVEs, a breaking change related to multi-tenancy permissions, known issues, updated configuration examples, and clarified versioning for Tempo and Jaeger components. Work anchored to commit OBSDOCS-1596 (8f21e1be7e71419eec3d075d3469fd9704dd7587) ensuring traceability and reproducibility.
Delivered Tempo 3.5.1 Release Notes and Known Issues for openshift/openshift-docs in 2025-03, including coverage of new CVEs, a breaking change related to multi-tenancy permissions, known issues, updated configuration examples, and clarified versioning for Tempo and Jaeger components. Work anchored to commit OBSDOCS-1596 (8f21e1be7e71419eec3d075d3469fd9704dd7587) ensuring traceability and reproducibility.
February 2025: Delivered two high-impact documentation enhancements for the OpenShift Docs repository. Implemented a new Table of Contents and cross-referenced sections on OTel Collector component listing pages to significantly improve navigation and discoverability. Updated Distributed Tracing 3.5 release notes and refreshed OpenTelemetry Collector docs to reflect receiver availability and deprecations, including tempo features and Jaeger end-of-life. These changes reduce onboarding time, improve developer experience, and keep release documentation synchronized with product roadmap.
February 2025: Delivered two high-impact documentation enhancements for the OpenShift Docs repository. Implemented a new Table of Contents and cross-referenced sections on OTel Collector component listing pages to significantly improve navigation and discoverability. Updated Distributed Tracing 3.5 release notes and refreshed OpenTelemetry Collector docs to reflect receiver availability and deprecations, including tempo features and Jaeger end-of-life. These changes reduce onboarding time, improve developer experience, and keep release documentation synchronized with product roadmap.
January 2025: OpenTelemetry Collector documentation improvements in openshift/openshift-docs. Delivered a new 'Collector options' entry under 'Configuring the Collector' and renamed a doc file to improve organization and discoverability. Fixed topic map/navigation to ensure accurate cross-links (OBSDOCS-1654: Fix topic map). Result: faster onboarding for users configuring the Collector and more reliable, navigable documentation.
January 2025: OpenTelemetry Collector documentation improvements in openshift/openshift-docs. Delivered a new 'Collector options' entry under 'Configuring the Collector' and renamed a doc file to improve organization and discoverability. Fixed topic map/navigation to ensure accurate cross-links (OBSDOCS-1654: Fix topic map). Result: faster onboarding for users configuring the Collector and more reliable, navigable documentation.
December 2024 monthly summary for openshift/openshift-docs focusing on upgrading LokiStack to v13 and delivering Logging 6.1.1 release notes. The work centers on documentation improvements, upgrade verification procedures, and release communications to reduce operational risk and improve security posture.
December 2024 monthly summary for openshift/openshift-docs focusing on upgrading LokiStack to v13 and delivering Logging 6.1.1 release notes. The work centers on documentation improvements, upgrade verification procedures, and release communications to reduce operational risk and improve security posture.
November 2024: Focused on improving documentation accuracy and user guidance for OpenTelemetry and Tempo Operator deployments. Delivered precise cross-repo updates that reduce misconfigurations and support friction, leveraging commit-level traceability and clear documentation standards.
November 2024: Focused on improving documentation accuracy and user guidance for OpenTelemetry and Tempo Operator deployments. Delivered precise cross-repo updates that reduce misconfigurations and support friction, leveraging commit-level traceability and clear documentation standards.
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