March 2026 performance summary for Apache Tomcat and www-site. Focused on stability, ecosystem modernization, and business value. Delivered major features, fixed critical bugs, and strengthened testing and tooling to enable faster, safer releases across Java 17+/27-ready environments.

February 2026 for apache/tomcat focused on security hardening, HTTP/2 reliability, and maintainability. Key work delivered includes TLS deprecation and cipher policy updates, new HTTP compression controls, and baseline/dependency upgrades to improve security posture, performance, and maintainability.

Month: 2026-01 — Apache Tomcat (apache/tomcat) delivered a focused set of TLS security improvements, dependency modernization, and quality initiatives. The work emphasizes business value by increasing security, reliability, and maintainability while modernizing the toolchain for Java 21 readiness. Key outcomes include TLS hardening and standardization, dependency and toolchain upgrades, and codebase hygiene that reduces risk and accelerates future work. Key features delivered: - Commons Pool dependency upgrade to 2.13.1 to leverage fixes and improvements (commit 276a104a0a0691ef19938cf6a09b4f74ad4c478c). - TLS 1.3 cipher suites support enabling TLSv1.3 readiness and consistency across implementations (commit 9abf6bddb2e84ecf1668780bb3150b799f832ccf). - TLS configuration style alignment: JSSE vs OpenSSL to avoid log warnings (commit d571cf07b43868d7c0ebed5d73d802fa315d6604). - TLS 1.3 utilities: utility method to check if a named cipher suite is from TLS 1.3 (commit 15019f6f297f994696b53b25fa6389d0fcd7a9bb). - OpenSSL test extensions and test stability improvements (OpenSSL index files for tests, commit c946bee7b7142d6c02eed96e3f8438c3bf290e9e). - Tomcat Native upgrade to 2.0.12 and related minimum version bumps to support TLS 1.3 config and broader OCSP support (commits 6e7c3525c40e99e1abe048a62f919ce4b942b03d and 666456c1cff8a23c44b92f033d50fdce9874266e). - Eclipse JDT compiler tooling updated to 4.38/3.43.0/Dec 2025 for Java 21 compatibility (commit 35f7c99fba7f6642bb981313ec375c243ffe9df3). - Core build/test/dependency updates: ByteBuddy 1.18.3, UnboundID 7.0.4, Checkstyle 13.0.0 (Java 21 required), and BND 7.2.0 (commits eda33f7b33d2cc0d3bb4e5d6544ff9a34941b2b1; 6d34dadb64af3cc3a883f3ee4394d87992549641; da35b30388680ee6916f5fd81ada1f2811b1725c; 94f6413258ebd80551f5b639a4782e07f72a703d). - Built-in Authenticators: ssoReauthenticationMode attribute added to support SSO session reauthentication (commit 7f59ce77f4ae1c8d4912af7d60b9c31db1290821). - Code quality improvements and cleanup: rename parameter, remove unnecessary blank lines, add explanatory comments, suppress warnings in forked code, and correct comments (commits 6eba1848021b45209acd30b1af2f19bc3ef60461; 8f993581de85d1f6611f5fe22cf1360eeb9c0c15; d64874b2e48e053ca902565d590b32ae5fd7c097; 02f3ed8359167ed34f2016fdf74ab8580256afe0; 8e0860c875d779a766a40b82a581386da1bf9e31). - Documentation and changelog: added changelog entry (commit 907d5b295b9a83ed27cdadac76a39b0cceb85039) and translation improvements across French, Japanese, and Chinese (commits c2e362d016a5b2f19148dd9c70fbc0a570540ee5; 0eb9a82da2bbb71757f69d1e36484f85ce2644af; 61cbe491f2b938d1a04c7886ca0077cdd219ee2b). - Performance and maintainability: code style cleanup for line length, and duplication removal (commits 50a9dd13e8ace7b76caa6c7d91ae7e263fa5b4ef; 0ec979f84ffc76e03e27e310a2be8a027e623bb1). - Other notable feature work: OpenSSL/CECom ports for test alignment, translation, and chunk extensions validation (2a077961b5d2170f745e7a26afe40989088de9ab; 4d39a8b4de029caac1124374615b96bcd9744a55). Major bugs fixed: - TLS configuration style alignment: JSSE vs OpenSSL to stop log warnings and remove mistaken key-store password assumptions (commit d571cf07b43868d7c0ebed5d73d802fa315d6604). - Reduced TLS test warnings to improve CI stability and reduce noise (commit da9b88e56a9da87ac6d9faf81990332dd6519366). - Improved warning messaging for OpenSSLConf with JSSE implementations (commit 4adf369625cc1b58f5120e53488d6587783d8bad). - CA certificates now configured only if TLS configuration is present (commit 80d938f3d43d5b1b2a157d3fbb76b81b238e89b9). - Test improvements for Bugzilla 69623: fixes for resource loading in web apps with resource caching (commit b80431dd40b5379c8adf8f574c620db3e0577ded). - Bug fixes for user-facing messaging and documentation clarity: improved and clarified messages (commits 0b1f2d2d114d2938b94ce19a587f78dacf429fa9 and 4adf369625cc1b58f5120e53488d6587783d8bad). - Javadoc and NPE handling improvements; regression fixes for tag reuse and finally blocks in releases (commits 2b0a4e5d7ab4bbe6d249096adbc3203bfbd30d66 and bba1d1f0a0fcfcceb195552fb51f6380621126f5). - Stability fixes for Native/NIO2/OpenSSL crashes and memory leaks in Tomcat Native (commits 66274201341dbdb73ec26237ec111319de54f21b and cea8d63077242af2c842cc5aa192ac150e97b243). - Additional risk reductions: handling of OpenSSL path tests, and avoidance of test duplication (commits 8443f734e32faba4930733afa12cf4682165f2ad and a683d65fe2cf16b8ab784b7275f3535e7399a3fb). - JDK tooling and version alignment: rebase to 11.0.17 to align dependencies (commit 5f15032b27229cd7ecb30e2f12560b8c0d9a2000). Overall impact and accomplishments: - Strengthened security posture with TLS 1.3 readiness, safer certificate handling, and clearer user warnings. - Improved reliability and performance through targeted crash/memory leak fixes and a robust dependency/toolchain upgrade path. - Reduced operational noise from TLS-related tests and improved CI stability, enabling faster feedback and deployment cycles. - Substantial improvements to maintainability, code quality, and documentation, setting the stage for easier future TLS/OCSP/validation work and Java 21 readiness. Technologies and skills demonstrated: - TLS/SSL engineering (TLS 1.3, cipher suites, OpenSSL/JSSE alignment, CA certificate handling, OCSP groundwork). - Java toolchain modernization (Eclipse JDT, Java 21 readiness) and packaging (Tomcat Native). - Build and dependency modernization (ByteBuddy, UnboundID, Checkstyle, BND) and code quality practices (naming, comments, formatting, duplication removal). - Testing discipline and reliability engineering (TLS test hardening, test improvements for BZ-69623, translation tests). - Internationalization and documentation improvements (translation updates, changelog).

December 2025 achievements for apache/tomcat focused on security hardening, API modernization, and test reliability across the TLS/SSL stack, authentication, and tooling. Key features delivered include OCSP/TLS/SSL enhancements across all Connectors with enable/disable controls, client-side OCSP verification, updated keys/certs with OCSP data, and added tests for certificate validity; SPNEGO SSO reauthentication improvements enabling full SPNEGO authentication; Java 26 EA 26 API compatibility interface addition; localization improvements for Spanish, French, and Japanese; and dependency/tooling updates (Byte Buddy 1.18.2; Checkstyle 12.2.0) plus a test infrastructure refactor to support expanding tests. Additional work included configurable security/SSL behavior (soft-fail, OCSP timeout, verify flags in SSLHostConfig); TLS 1.3 cipher defaults alignment; and changelog/docs baseline updates. Overall impact: stronger security posture, improved test coverage and CI stability, modernized dependencies, and faster release readiness while aligning with Java 26 and OpenSSL ecosystem changes. Major bugs fixed include IDE warning resolution; CVE-2017-15698 test update; and disabling a failing test to restore CI stability.

November 2025 performance summary: Delivered substantial maintenance, quality improvements, and modernization across Apache Tomcat and the www-site repos. Key outcomes include maintainability enhancements (code cleanup, formatting standards, and complete Javadoc), build/test reliability improvements (fixes to Ant task messaging, broken tests restoration, and test cleanliness), and modernization efforts (baseline upgrade, removal of HTTP 0.9 support, Jakarta EE tooling updates). Resolved critical bugs affecting clustering, status reporting, and release workflows, reducing runtime risk and increasing CI confidence. Translations were enhanced (Japanese and French), TLS logging improved, and several documentation updates ensured clearer OCSP/SSO guidance and changelogs. Overall impact: higher quality codebase, faster delivery cycles, and clearer, localized documentation for users and contributors.

October 2025: Delivered significant IP handling and configuration improvements in the Apache Tomcat project, alongside comprehensive code hygiene and dependency management. The work emphasizes business value through improved security, reliability, and maintainability, enabling easier deployment of IP-based access controls and proxies. Key outcomes include CIDR/Pattern IP handling improvements, reliability enhancements in IP/netmask parsing, baseline upgrades for dependency alignment, and extensive repository cleanup across author metadata and deprecated code. Critical bug fixes were addressed to improve stability across Windows and protocol handling, and to ensure correct session propagation and resource synchronization.

September 2025 monthly summary ( apache/tomcat, apache/commons-fileupload, apache/www-site ) Key features delivered: - Baseline and Release Updates: Updated Tomcat baseline to 11.0.11 as part of the release refresh, aligning with current platform standards and dependencies. (commit b88e756a7ec5f17f3f3f7c2d928848f1fefb6bba) - Documentation Improvements: Clarified implementation expectations and maxPostSize in project docs to reduce ambiguity for future contributions. - Security Strengthening: Switched ETag generation to SHA-256 and added a unit test for CVE-2025-53506, reducing risk exposure and improving test coverage. - API and Performance Enhancements: Added getters for group and signature info; optimized method bytes-to-string conversion; introduced constants for GET/POST to improve readability and performance. - Concurrency and Data Structures: Explicit guidance and usage of ConcurrentHashMap where needed to improve thread safety and reduce contention. - Quality Assurance and RFC Compliance: Follow-up after Coverity scan and ensured HTTP method naming aligns with RFC 9110 (9.1) for case sensitivity and standardization. - Code Quality and Maintainability: Removed outdated comments, cleaned references to removed examples, fixed IDE warnings; reinforced configuration safeguards to prevent changes unless channels are stopped. - Branding and Licensing: Updated branding to the new ASF logo and added ALv2 headers to licensing blocks; policy updates for trademark personal-use exception and renaming from ApacheCon to Community Over Code. - Testing and Reliability: Expanded RemoteCIDRFilter test coverage, refactored to NetMaskSet for CIDR handling, and improved test reliability with test fixes. Major bugs fixed: - HTTP methods case handling: Ensured HTTP method strings are uppercase consistently across the codebase. - HttpSession.isNew(): Fixed behavior so isNew() returns false once the client has joined. - Trailer header allow list: Corrected case sensitivity issues in trailer header allow lists. - Post-release stability: Cleanup after failed multipart uploads and fixes for unreliable tests; de-emphasized deprecated code paths. Overall impact and accomplishments: - Strengthened security posture with SHA-256 ETag and CVE test coverage, and improved RFC-aligned API behavior. - Improved performance and concurrency handling through targeted API enhancements and data structure choices. - Elevated code quality, maintainability, and branding compliance across multiple repositories. - Enhanced documentation and testing coverage, enabling faster onboarding and more reliable releases. Technologies/skills demonstrated: - Java platform fundamentals, security hardening, and RFC 9110 compliance. - Performance optimization (bytes-to-string conversion, NetMaskSet usage). - Concurrency patterns (ConcurrentHashMap), test-driven development, and code quality tooling updates (SpotBugs, Checkstyle, etc.). - Localization and internationalization improvements and branding/licensing updates.

August 2025: Delivered a focused set of business-value features and stability improvements across Apache Tomcat and infrastructure-actions, emphasizing security, observability, and developer productivity. Key outcomes include a baseline upgrade to 11.0.10, extensive documentation and test-clarity improvements, certificate/key updates for tests, logging and error-handling enhancements, concurrency and locking improvements, simple performance monitoring, and strengthened CI/CD with Coverity scanning and Dependabot configuration. These changes collectively reduce risk, improve diagnostic capabilities, and accelerate future development.

Concise monthly summary for 2025-07 covering business value and technical achievements across Apache Tomcat and the Apache www-site. Highlights security hardening, performance optimizations, reliability fixes, and quality improvements with concrete deliveries that improve security posture, throughput, and maintainability.

June 2025 performance summary: Delivered a release-ready upgrade path for Commons FileUpload 1.6.0 (RC1 tagging) and expanded reliability improvements across path handling, multipart processing, and HTTP/2. Modernized tooling and dependencies, added translations and documentation updates, and reduced upgrade risk for Tomcat users. This work strengthens security posture, accelerates release cycles, and improves runtime stability for production deployments.

May 2025 performance summary for apache/tomcat and apache/www-site. The month focused on delivering standards-compliant improvements, stabilizing cross-platform behavior, and enhancing maintainability and readiness for Java platform evolutions. Key work spanned Jakarta EE 12 schema adoption, improved resource handling, targeted bug fixes, and ongoing code quality initiatives that reduce risk and maintenance costs while enabling smoother migrations.

April 2025 performance highlights across tomcat, platform-tck, and www-site. The month centered on solidifying maintainability, reliability, and standards alignment while delivering core feature work and targeted fixes that unlock business value and improve developer velocity.

March 2025 monthly summary for apache/tomcat. This period focused on strengthening release reliability, platform compatibility, and code quality through a combination of packaging improvements, version updates, and tooling modernization. Key work delivered targeted the installer/packaging pipeline, with broader impacts on build determinism and regulatory readiness, while also advancing dependency management and test stability.

February 2025: Consolidated stability and quality improvements across Apache Tomcat and the Apache www-site, combining targeted feature work, critical bug fixes, and infrastructure upgrades that enhance reliability, security, and maintainability. Business value was delivered through fewer runtime failures, more reliable deployment pipelines, improved localization, and stronger baseline alignment across environments.

January 2025 – Apache Tomcat: Performance, reliability, and developer productivity improvements across the codebase. Delivered direct-buffering data handling, memory-management cleanups, and targeted quality enhancements while upgrading tooling and dependencies to strengthen security and Jakarta/JEE readiness. Business value centers on reduced latency, lower memory footprint, faster test cycles, and clearer documentation for customers and operators.

For 2024-12, Apache Tomcat maintenance and feature work spanned security hardening, range handling, dependency modernization, and testing infrastructure enhancements. The month delivered tangible business value through improved session security, more robust HTTP semantics, and quicker, safer releases driven by CI/build stability and test coverage improvements. The following sections summarize the concrete outcomes, their value, and the technologies demonstrated. Key features delivered: - Session Management Enhancements: Obfuscate session cookie values in JSON and HTML outputs; add the ability to delete session attributes; cap attributes per session at 10. Commits include 81583098434864b92d7be1d39fed5affd853648d (Obfuscate session cookie values for JSON output as well as HTML), 18ffbac13f035dccdb3c6f55d3f7b07a2a1e4946 (Add the ability to delete session attributes.), and 87f3134b6bbbe8bc8b4ff659a2e28a6d4bc17abf (Add a limit of 10 attributes per session to the session example). - HTTP Range handling enhancements: Improve Accept-Ranges handling, allow two overlapping ranges, and deprecate/useAcceptRanges parameter. Commits include 0c85025414c2a3bc813847c1a7fcff7728df3050, 5b81875efe09f061016de2af95db0cb0431a03a3, b6d14c2a5c1f68b5788475d2edbc8579e7d6467f, 7512883ea8c21a5800265513ca4aea02ed30117d, and 6669bb9881d1a4ecfb8798efeee29a7603afdb41. - Dependency Updates and Alignment: Updated Commons DBCP, EasyMock, Checkstyle, and BND to latest versions for compatibility and security. Commits include 30c42b2f0936ecd7b7dd2b44d82c2710b07764cb, d98bf19c21619dd52a98c2b21aa6434e03e1b118, aed87d0c3482fbfb413891488f705609b95d4a6b, 7290a25d00c3183f13a25c4cdcfe09dad916130d, and 87079eccb9c8f5c51100cb03c13d75b2c83be0be. - Testing infrastructure and coverage improvements: Enhanced testing for OpenSSL master support, added tests for cookie name case-insensitivity, and expanded precondition tests; included a test revert to keep CI predictable. Commits include 017a2fb4a52172ac8804fc8925b7fff974214091, 7d2df1d456292e33cbbbaefd23710cea9294cc58, c60b2e897bcdeac36bd44e6ad703b2061ace3f1c, and 02cb64167c35474522237cc293da31f256e01504. - Precondition: Add support for DELETE requests: Introduced precondition handling for DELETE requests. Commit a831c27b71e87727cbe5b0aac6fb860ae71b8b82. Major bugs fixed: - URI PathInfo Handling Bug Fix: Fix return and code links when request URI contains a pathInfo. Commit: dae91ff3bc56127c3d897a5d6af2f1289c941952 - Typo Fix: Corrected a typo in the codebase. Commit: 71d118f0a29274103d93c0fd3102491950d01159 - IDE Warnings Fixed: Addressed IDE warnings across the codebase to improve maintainability. Commits: 1bb85194f1278238b10c64930d8080b0188538c5 and c122cb56380d6659d13054564882213eaaf15b62 - CI Failures Fix: Implemented changes to resolve CI failures and stabilize builds. Commit: 537adeb861e06ec582db67c7a9e42f43a971efda - Line endings handling in response body: Standardized line endings across platforms to ensure consistency. Commit: 61de2a5bf745d9ddcf3fe6f0ac212078e89d9721 Overall impact and accomplishments: - Strengthened security and resilience: session value obfuscation and attribute controls reduce exposure and misconfiguration risk. - Improved reliability and performance: HTTP range enhancements and backend cleanup improve throughput, while precondition extensions unlock more RESTful use cases. - Enhanced CI, testing, and maintainability: updated tooling and expanded test coverage enable faster, safer releases and easier future changes. - Global reach and localization: translation improvements broaden accessibility for non-English users, supporting enterprise adoption in multi-language environments. Technologies and skills demonstrated: - Java and Tomcat internals, HTTP semantics, and REST preconditions - Dependency management and build tooling (Commons DBCP, EasyMock, Checkstyle, BND, Eclipse JDT) - Test infrastructure improvements, OpenSSL integration, and comprehensive precondition coverage - Code quality and maintainability practices: automated refactors, naming consistency, and reduced duplication - Localization and internationalization enhancements

Month 2024-11: Delivered targeted performance, reliability, and maintainability improvements for the Apache Tomcat codebase. The work focused on stabilizing core request handling, reducing latency in attribute lookups, and enhancing test coverage and tooling to support longer-term value.

October 2024 monthly performance summary focused on delivering business value through user-facing improvements, performance optimizations, and security/documentation enhancements across three Apache repositories. Key outcomes include streamlined trademark escalation workflow on the website, a new class loader non-found resources cache with configurable size, concurrency-safe cache size diagnostics, JSP generation/runtime performance optimizations, and clarified documentation for code signing security.