Download Latest Version LibreSpeed 6.2.1 source code.zip (22.1 MB)
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LibreSpeed 6.2.1 source code.tar.gz 2026-08-12 22.2 MB
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LibreSpeed 6.2.1 source code.zip 2026-08-12 22.1 MB
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README.md 2026-08-12 1.1 kB
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Highlights

  • Fixed upload-speed results being inflated when an upload request receives an HTTP error response. The client now only starts a replacement upload after the completed request returns a successful status. #820
  • Made the modern frontend work when the repository is served without rearranging its files. Docker now preserves the frontend/ asset directory, while settings.json and server-list.json are served from the web root. #834

Deployment and reliability

  • Documented the request-body-size configuration required by IIS deployments.
  • Updated Docker, installation, and design-switch documentation to use the same layout as a non-Docker deployment.
  • Added end-to-end coverage for all runtime modes, Alpine standalone deployments, and the static modern-frontend asset layout.

Maintenance

  • Updated JavaScript dependencies and the actions/stale GitHub Action.

Full changelog

https://github.com/librespeed/speedtest/compare/v6.2.0...v6.2.1

Source: README.md, updated 2026-08-12