chore(deps): update dependency uvicorn to v0.54.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uvicorn (changelog)	==0.37.0 → ==0.54.0

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Release Notes

Kludex/uvicorn (uvicorn)

v0.54.0: Version 0.54.0

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📨 Send metadata after the response body

uvicorn 0.54.0 adds response trailers and 103 Early Hints to its experimental HTTP/2 implementation through zttp.

uv add uvicorn==0.54.0 "zttp>=0.0.34"

• Send HTTP/2 response trailers (#​3146). The ASGI http.response.trailers extension lets applications send metadata, such as checksums, after the response body. Clients must send TE: trailers to receive them. Multiple trailer messages are combined before completing the response.
• HTTP/2 remains experimental and opt-in. Enable it with --http zttp --http2. Upgrade-based h2c and WebSockets over HTTP/2 remain unsupported.

💡 Hint at resources before the final response

• Send 103 Early Hints over HTTP/2 (#​3137). Applications can use the ASGI http.response.early_hint extension to send resource hints before the final response. Each supplied link becomes a separate Link header.

Full changelog: 0.53.0...0.54.0

v0.53.0: Version 0.53.0

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🌐 Opt-in HTTP/2 support

uvicorn 0.53.0 adds experimental HTTP/2 through zttp, alongside a new zuvloop integration and connection-handling improvements.

uv add uvicorn==0.53.0

• Serve HTTP/1.1 and HTTP/2 with zttp (#​2982, #​3101). Install zttp, then enable HTTP/2 with --http zttp --http2. Uvicorn negotiates HTTP/2 over TLS with ALPN and supports cleartext prior knowledge.
• HTTP/2 remains experimental. Upgrade-based h2c and WebSockets over HTTP/2 are not supported.

⚙️ More event loop choice

• Run Uvicorn with zuvloop (#​3104). Install zuvloop separately and select it explicitly with --loop zuvloop on CPython 3.14 or newer.

🛡️ More reliable connections and proxies

• Honor Connection: close token lists (#​3103). Uvicorn now parses comma-separated tokens case-insensitively across HTTP implementations.
• Trust IPv6 loopback proxies by default (#​3119). The default FORWARDED_ALLOW_IPS value now includes ::1.
• Keep upgraded WebSockets alive (#​3107). Uvicorn cancels the HTTP keep-alive timer when the connection becomes a WebSocket.

Full changelog: 0.52.4...0.53.0

v0.52.4: Version 0.52.4

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Fixed

• Remove duplicate Date headers from accepted WebSocket handshakes with websockets-sansio (#​3078)

Full Changelog: Kludex/uvicorn@0.52.3...0.52.4

v0.52.3: Version 0.52.3

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Changed

• Update zttp to 0.0.24 and use its combined receive path, improving HTTP/1.1 request parsing performance (#​3067)

Full Changelog: Kludex/uvicorn@0.52.2...0.52.3

v0.52.2: Version 0.52.2

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Fixed

• Update zttp to 0.0.22, fixing bodyless request receives and improving HTTP/1 request parsing performance (#​3063)

Full Changelog: Kludex/uvicorn@0.52.1...0.52.2

v0.52.1: Version 0.52.1

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Fixed

• Complete the closing handshake on server-initiated WebSocket closes in the websockets-sansio and wsproto implementations, waiting for the client's close reply with a 10 second timeout instead of resetting the connection (#​3053)
• Add missing write flow control to the websockets-sansio implementation, preventing data truncation on server-initiated closes with large in-flight payloads (#​3048)
• Handle connection loss while a WebSocket write is waiting on backpressure (#​3050)
• Remove duplicate Content-Type and Content-Length headers from WebSocket denial responses on the websockets-sansio implementation, and deliver non-UTF-8 denial bodies intact (#​3041)

Full Changelog: Kludex/uvicorn@0.52.0...0.52.1

v0.52.0: Version 0.52.0

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This release adds an experimental HTTP/1.1 implementation backed by zttp, a sans-IO HTTP parser I've been developing on the side: a core written in Zig, with bindings to Python. It has been running under a fuzzer for some weeks now, and has been through multiple rounds of security auditing.

It is still experimental, so don't put it in front of production traffic yet. Try it with --http zttp, and please send any feedback to the issue tracker.

Added

• Add an experimental zttp HTTP/1.1 implementation, selectable with --http zttp (#​2979)

Fixed

• Keep non-ASCII WebSocket request headers intact with websockets 17.0, which encodes them with ISO-8859-1 (#​3036)

Full Changelog: Kludex/uvicorn@0.51.0...0.52.0

v0.51.0: Version 0.51.0

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What's Changed

• Restart workers with overlap on SIGHUP for near-zero-downtime reloads by @​Kludex in #​3025
• Remove colorama from the standard extra by @​Kludex in #​3027

Full Changelog: Kludex/uvicorn@0.50.2...0.51.0

v0.50.2: Version 0.50.2

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What's Changed

• Require websockets>=13.0 for the default sansio implementation by @​Kludex in #​3021

Full Changelog: Kludex/uvicorn@0.50.1...0.50.2

v0.50.1: Version 0.50.1

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What's Changed

• Split comma-separated Sec-WebSocket-Protocol values in the websockets-sansio implementation by @​Aayush7352 in #​3019

New Contributors

• @​Aayush7352 made their first contribution in #​3019

Full Changelog: Kludex/uvicorn@0.50.0...0.50.1

v0.50.0: Version 0.50.0

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What's Changed

• Memoize trusted host checks to avoid re-parsing the client IP per request by @​Kludex in #​2970
• Cache the asgi scope sub-dict per connection by @​Kludex in #​2976
• Build a fresh asgi scope dict per request by @​Kludex in #​2977
• Replace click.style with an internal ANSI style helper by @​Kludex in #​2981
• Avoid copying single-frame WebSocket payloads in websockets-sansio by @​Kludex in #​2983
• Deprecate the legacy websockets implementation and default auto to websockets-sansio by @​Kludex in #​2985
• Exit with a dedicated code on startup failure and stop the supervisor when a worker can't boot by @​Kludex in #​3001
• Skip the eager app import in the parent when spawning workers by @​Kludex in #​3012

Full Changelog: Kludex/uvicorn@0.49.0...0.50.0

v0.49.0: Version 0.49.0

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What's Changed

• Bump httptools minimum version to 0.8.0 by @​Kludex in #​2962
• Consume duplicate forwarding headers in ProxyHeadersMiddleware (reverses the 0.48.0 behavior of ignoring them) by @​Kludex in #​2971

Full Changelog: Kludex/uvicorn@0.48.0...0.49.0

v0.48.0: Version 0.48.0

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What's Changed

• Default ssl_ciphers to None and use OpenSSL defaults by @​Kludex in #​2940
• Ignore duplicate forwarding headers in ProxyHeadersMiddleware by @​Kludex in #​2944

Full Changelog: Kludex/uvicorn@0.47.0...0.48.0

v0.47.0: Version 0.47.0

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What's Changed

• Eagerly import the ASGI app in the parent process by @​Kludex in #​2919
• Add ssl_context_factory for custom SSLContext configuration by @​Kludex in #​2920
• Treat fd=0 as a valid file descriptor with reload/workers by @​eltoder in #​2927

Full Changelog: Kludex/uvicorn@0.46.0...0.47.0

v0.46.0: Version 0.46.0

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What's Changed

• Support ws_max_size in wsproto implementation by @​Kludex in #​2915
• Support ws_ping_interval and ws_ping_timeout in wsproto implementation by @​Kludex in #​2916
• Use bytearray for incoming WebSocket message buffer in websockets-sansio by @​Kludex in #​2917

Full Changelog: Kludex/uvicorn@0.45.0...0.46.0

v0.45.0: Version 0.45.0

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What's Changed

• Preserve forwarded client ports in proxy headers middleware by @​Kludex in #​2903
• Accept os.PathLike for log_config by @​Kludex in #​2905
• Accept log_level strings case-insensitively by @​Kludex in #​2907
• Raise helpful ImportError when PyYAML is missing for YAML log config by @​Kludex in #​2906
• Revert empty context for ASGI runs by @​Kludex in #​2911
• Add --reset-contextvars flag to isolate ASGI request context by @​Kludex in #​2912
• Revert "Emit http.disconnect on server shutdown for streaming responses" (#​2829) by @​Kludex in #​2913

New Contributors

• @​Krishnachaitanyakc made their first contribution in #​2870

Full Changelog: Kludex/uvicorn@0.44.0...0.45.0

v0.44.0: Version 0.44.0

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What's Changed

• Implement websocket keepalive pings for websockets-sansio by @​Kludex in #​2888

Full Changelog: Kludex/uvicorn@0.43.0...0.44.0

v0.43.0: Version 0.43.0

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Changed

• Emit http.disconnect ASGI receive() event on server shutting down for streaming responses (#​2829)
• Use native context parameter for create_task on Python 3.11+ (#​2859)
• Drop cast in ASGI types (#​2875)

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Full Changelog: Kludex/uvicorn@0.42.0...0.43.0

v0.42.0: Version 0.42.0

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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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New Contributors

• @​bysiber made their first contribution in #​2825

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

v0.41.0: Version 0.41.0

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Added

• Add --limit-max-requests-jitter to stagger worker restarts (#​2707)
• Add socket path to scope["server"] (#​2561)

Changed

• Rename LifespanOn.error_occured to error_occurred (#​2776)

Fixed

• Ignore permission denied errors in watchfiles reloader (#​2817)
• Ensure lifespan shutdown runs when should_exit is set during startup (#​2812)
• Reduce the log level of 'request limit exceeded' messages (#​2788)

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New Contributors

• @​t-kawasumi made their first contribution in #​2776
• @​fardyn made their first contribution in #​2800
• @​ewie made their first contribution in #​2807
• @​shevron made their first contribution in #​2788
• @​jonashaag made their first contribution in #​2707

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Full Changelog: Kludex/uvicorn@0.40.0...0.41.0

v0.40.0: Version 0.40.0

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What's Changed

• Drop Python 3.9 by @​Kludex in #​2772

Full Changelog: Kludex/uvicorn@0.39.0...0.40.0

v0.39.0: Version 0.39.0

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What's Changed

• explicitly start ASGI run with empty context by @​pmeier in #​2742
• fix(websockets): Send close frame on ASGI return by @​Kludex in #​2769

New Contributors

• @​pmeier made their first contribution in #​2742

Full Changelog: Kludex/uvicorn@0.38.0...0.39.0

v0.38.0: Version 0.38.0

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What's Changed

• Support Python 3.14 by @​Kludex in #​2723

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New Contributors

• @​NGANAMODEIJunior made their first contribution in #​2713

Full Changelog: Kludex/uvicorn@0.37.0...0.38.0

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