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⬆ Bump uvicorn from 0.41.0 to 0.42.0#340

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svlandeg merged 1 commit intomainfrom
dependabot/uv/uvicorn-0.42.0
Mar 17, 2026
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⬆ Bump uvicorn from 0.41.0 to 0.42.0#340
svlandeg merged 1 commit intomainfrom
dependabot/uv/uvicorn-0.42.0

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@dependabot dependabot bot commented on behalf of github Mar 17, 2026

Bumps uvicorn from 0.41.0 to 0.42.0.

Release notes

Sourced from uvicorn's releases.

Version 0.42.0

Changed

  • Use bytearray for request body accumulation to avoid O(n^2) allocation on fragmented bodies (#2845)

Fixed

  • Escape brackets and backslash in httptools HEADER_RE regex (#2824)
  • Fix multiple issues in websockets sans-io implementation (#2825)

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Full Changelog: Kludex/uvicorn@0.41.0...0.42.0

Changelog

Sourced from uvicorn's changelog.

0.42.0 (March 16, 2026)

Changed

  • Use bytearray for request body accumulation to avoid O(n^2) allocation on fragmented bodies (#2845)

Fixed

  • Escape brackets and backslash in httptools HEADER_RE regex (#2824)
  • Fix multiple issues in websockets sans-io implementation (#2825)
Commits
  • 02bed6f Version 0.42.0 (#2852)
  • d8f2501 chore: pre-create Config objects in benchmarks to measure protocol hot paths ...
  • 9dbb783 Add WebSocket protocol benchmarks for wsproto and websockets-sansio (#2849)
  • b3c69da Use bytearray for request body accumulation (#2845)
  • 3f3ebee Disable pytest-xdist for CodSpeed benchmark runs (#2847)
  • d072de7 Add fragmented body benchmark for chunked body accumulation (#2846)
  • e300c2c Add CodSpeed benchmark suite for HTTP protocol hot paths (#2844)
  • 1fa6976 Escape brackets and backslash in httptools HEADER_RE regex (#2824)
  • 59ec1de Fix multiple issues in websockets sansio implementation (#2825)
  • 2fc0efc Clarify Windows asyncio event loop selection in docs (#2843)
  • Additional commits viewable in compare view

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Bumps [uvicorn](https://github.com/Kludex/uvicorn) from 0.41.0 to 0.42.0.
- [Release notes](https://github.com/Kludex/uvicorn/releases)
- [Changelog](https://github.com/Kludex/uvicorn/blob/main/docs/release-notes.md)
- [Commits](Kludex/uvicorn@0.41.0...0.42.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-version: 0.42.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Mar 17, 2026
@svlandeg svlandeg merged commit cc80c76 into main Mar 17, 2026
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@svlandeg svlandeg deleted the dependabot/uv/uvicorn-0.42.0 branch March 17, 2026 09:39
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