#internal tools Tech News.
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Cindy Zhang detailed the evolution of XDS, a unified UI system at Meta powering 10,000+ internal tools. The system replaced dated Facebook-era components with a shared library supporting complex components like tables and search. Zhang shared insights on managing community contributions, safe monorepo refactors using JS AST and AI codemods, and mitigating breaking changes via feature flags.
Datadog Apps lets teams build and deploy internal applications directly inside Datadog using AI agents like Claude Code, Cursor, and Codex. Apps inherit Datadog's authentication, access controls, and observability. They embed into dashboards and notebooks, and deploy through existing CI/CD pipelines using GitHub actions.
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