2025-09 monthly summary for mermaid-js/mermaid focusing on security automation improvements in the CI pipeline through CodeQL analysis for GitHub Actions, with targeted workflow enhancements and a strong security posture.

Month: 2025-08 — Focused on performance optimization, documentation clarity, and CI stability for mermaid-js/mermaid. Key work included a performance optimization in DOMPurify hooks by removing an unnecessary Element type check, a documentation update clarifying the behavior of image node constraints in Flowcharts, and stabilization of the Applitools end-to-end workflow by removing the Cypress/Browsers container. These efforts reduce runtime overhead, improve developer and user-facing clarity, and enhance end-to-end test reliability by aligning with the default runner environment.

July 2025 monthly summary for promptfoo/promptfoo: Delivered an OpenAI Assistants integration documentation and example enhancement to align with current best practices. Implemented a more robust addNumbers function callback example with JSON parsing and strict parameter validation, improving clarity and correctness for developers integrating with OpenAI Assistants. No major bug fixes recorded this month; focus was on quality of documentation and onboarding support. Impact: clearer integration guidance reduces onboarding time and support burden; improved example reduces misconfiguration risk; repository demonstrates commitment to robust OpenAI integrations.

March 2025 — PromptFoo (promptfoo/promptfoo): Implemented Smithy Node HTTP Handler v4.0.0 compatibility update by upgrading dependencies and adjusting HTTP request handling to align with @smithy/node-http-handler v4.0.0. This work preserves compatibility for downstream clients and reduces risk of production regressions.

January 2025 monthly summary for promptfoo/promptfoo: Implemented critical Node.js ESM compatibility improvements in the build/test infrastructure to ensure reliable test execution and distribution in modern Node environments. Delivered changes to produce dist/ using TypeScript's Node16 module setting, updated dynamic imports to include .js extensions, and introduced a Jest moduleNameMapper for .js imports. These changes improve compatibility with Node.js ESM, reduce CI flakiness, and prepare the project for future Node upgrades.