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Change Log

0.18.1 - 2022-06-23

Fixed

  • Use `DEFAULT_MAX_INCOMPLETE_EVENT_SIZE` as default to `h11_max_incomplete_event_size` on the CLI (#1534) 23/06/22

0.18.0 - 2022-06-23

Added

  • The reload flag prioritizes watchfiles instead of the deprecated watchgod (#1437) 18/06/22
  • Annotate uvicorn.run() function (#1423) 10/05/22
  • Allow configuring max_incomplete_event_size for h11 implementation (#1514) 22/06/22

Removed

  • Remove asgiref dependency (#1532) 22/06/22

Fixed

  • Turn raw_path into bytes on both websockets implementations (#1487) 16/05/22
  • Revert log exception traceback in case of invalid HTTP request (#1518) 14/06/22
  • Set asyncio.WindowsSelectorEventLoopPolicy() when using multiple workers to avoid "WinError 87" (#1454) 22/06/22

0.17.6 - 2022-03-11

Changed

  • Change httptools range to >=0.4.0 (#1400) 11/03/22

0.17.5 - 2022-02-16

Fixed

  • Fix case where url is fragmented in httptools protocol (#1263) 2/16/22
  • Fix WSGI middleware not to explode quadratically in the case of a larger body (#1329) 2/16/16

Changed

  • Send HTTP 400 response for invalid request (#1352) 2/11/22

0.17.4 - 2022-02-04

Fixed

  • Replace create_server by create_unix_server (#1362) 04/02/22

0.17.3 - 2022-02-03

Fixed

  • Drop wsproto version checking. (#1359) 03/02/22

0.17.2 - 2022-02-03

Fixed

  • Revert #1332. While trying to solve the memory leak, it introduced an issue (#1345) when the server receives big chunks of data using the httptools implementation. (#1354) 03/02/22
  • Revert stream interface changes. This was introduced on 0.14.0, and caused an issue (#1226), which caused a memory leak when sending TCP pings. (#1355) 03/02/22
  • Fix wsproto version check expression (#1342) 28/01/22

0.17.1 - 2022-01-28

Fixed

  • Move all data handling logic to protocol and ensure connection is closed. (#1332) 28/01/22
  • Change spec_version field from "2.1" to "2.3", as Uvicorn is compliant with that version of the ASGI specifications. (#1337) 25/01/22

0.17.0.post1 - 2022-01-24

Fixed

  • Add the python_requires version specifier (#1328) 17/01/22

0.17.0 - 2022-01-14

Added

  • Allow configurable websocket per-message-deflate setting (#1300) 29/12/21
  • Support extra_headers for WS accept message (#1293) 06/01/22
  • Add missing http version on websockets scope (#1309) 08/01/22

Fixed/Removed

  • Drop Python 3.6 support (#1261) 06/01/22
  • Fix reload process behavior when exception is raised (#1313) 11/01/22
  • Remove root_path from logs (#1294) 25/12/21

0.16.0 - 2021-12-08

Added

  • Enable read of uvicorn settings from environment variables (#1279) 06/12/21
  • Bump websockets to 10.0. (#1180) 13/09/21
  • Ensure non-zero exit code when startup fails (#1278) 06/12/21
  • Increase httptools version range from "==0.2.*" to ">=0.2.0,<0.4.0". (#1243) 8/11/21
  • Override default asyncio event loop with reload only on Windows (#1257) 24/11/21
  • Replace HttpToolsProtocol.pipeline type from list to deque. (#1213) 10/10/21
  • Replace WSGIResponder.send_queue type from list to deque. (#1214) 10/10/21

Fixed

  • Main process exit after startup failure on reloader classes (#1177) 30/09/21
  • Add explicit casting on click options (#1217) 11/10/21
  • Allow WebSocket close event to receive reason being None from ASGI app. (#1259) 23/11/21
  • Fix a bug in WebSocketProtocol.asgi_receive on which we returned a close frame even if there were data messages before that frame in the read queue. (#1252) 25/11/21
  • The option --reload-dirs was splitting a string into single character directories. (#1267) 25/11/21
  • Only second SIGINT is able to forcefully shutdown the server (#1269) 28/11/21
  • Allow app-dir parameter on the run() function (#1271) 06/12/21

0.15.0 - 2021-08-13

Added

  • Change reload to be configurable with glob patterns. Currently only .py files are watched, which is different from the previous default behavior. (#820) 08/08/21
  • Add Python 3.10-rc.1 support. Now the server uses asyncio.run which will: start a fresh asyncio event loop, on shutdown cancel any background tasks rather than aborting them, aexit any remaining async generators, and shutdown the default ThreadPoolExecutor. (#1070) 30/07/21
  • Exit with status 3 when worker starts failed (#1077) 22/06/21
  • Add option to set websocket ping interval and timeout (#1048) 09/06/21
  • Adapt bind_socket to make it usable with multiple processes (#1009) 21/06/21
  • Add existence check to the reload directory(ies) (#1089) 21/06/21
  • Add missing trace log for websocket protocols (#1083) 19/06/21
  • Support disabling default Server and Date headers (#818) 11/06/21

Changed

  • Add PEP440 compliant version of click (#1099) 29/06/21
  • Bump asgiref to 3.4.0 (#1100) 29/06/21

Fixed

  • When receiving a SIGTERM supervisors now terminate their processes before joining them (#1069) 30/07/21
  • Fix the need of httptools on minimal installation (#1135) 30/07/21
  • Fix ping parameters annotation in Config class (#1127) 19/07/21

0.14.0 - 2021-06-01

Added

  • Defaults ws max_size on server to 16MB (#995) 5/29/21
  • Improve user feedback if no ws library installed (#926 and #1023) 2/27/21
  • Support 'reason' field in 'websocket.close' messages (#957) 2/24/21
  • Implemented lifespan.shutdown.failed (#755) 2/25/21

Changed

  • Upgraded websockets requirements (#1065) 6/1/21
  • Switch to asyncio streams API (#869) 5/29/21
  • Update httptools from 0.1.* to 0.2.* (#1024) 5/28/21
  • Allow Click 8.0, refs #1016 (#1042) 5/23/21
  • Add search for a trusted host in ProxyHeadersMiddleware (#591) 3/13/21
  • Up wsproto to 1.0.0 (#892) 2/25/21

Fixed

  • Force reload_dirs to be a list (#978) 6/1/21
  • Fix gunicorn worker not running if extras not installed (#901) 5/28/21
  • Fix socket port 0 (#975) 3/5/21
  • Prevent garbage collection of main lifespan task (#972) 3/4/21

0.13.4 - 2021-02-20

Fixed

  • Fixed wsgi middleware PATH_INFO encoding (#962) 2/20/21
  • Fixed uvloop dependency (#952) 2/10/21 then (#959) 2/20/21
  • Relax watchgod up bound (#946) 1/31/21
  • Return 'connection: close' header in response (#721) 1/25/21

Added:

  • Docs: Nginx + websockets (#948) 2/10/21
  • Document the default value of 1 for workers (#940) (#943) 1/25/21
  • Enabled permessage-deflate extension in websockets (#764) 1/1/21

0.13.3 - 2020-12-29

Fixed

  • Prevent swallowing of return codes from subprocess when running with Gunicorn by properly resetting signals. (Pull #895)
  • Tweak detection of app factories to be more robust. A warning is now logged when passing a factory without the --factory flag. (Pull #914)
  • Properly clean tasks when handshake is aborted when running with --ws websockets. (Pull #921)

0.13.2 - 2020-12-12

Fixed

  • Log full exception traceback in case of invalid HTTP request. (Pull #886 and #888)

0.13.1 - 2020-12-12

Fixed

  • Prevent exceptions when the ASGI application rejects a connection during the WebSocket handshake, when running on both --ws wsproto or --ws websockets. (Pull #704 and #881)
  • Ensure connection scope doesn't leak in logs when using JSON log formatters. (Pull #859 and #884)

0.13.0 - 2020-12-08

Added

  • Add --factory flag to support factory-style application imports. (#875) 2020-12-07 50fc0d1c
  • Skip installation of signal handlers when not in the main thread. Allows using Server in multithreaded contexts without having to override .install_signal_handlers(). (#871) 2020-12-07 ce2ef45a

0.12.3 - 2020-11-21

Fixed

  • Fix race condition that leads Quart to hang with uvicorn (#848) 11/18/20 de213614
  • Use latin1 when decoding X-Forwarded-* headers (#701) 11/12/20 45e6e831
  • Rework IPv6 support (#837) 11/8/20 bdab488e
  • Cancel old keepalive-trigger before setting new one. (#832) 10/26/20 d5dcf80c

0.12.2 - 2020-10-19

Added

  • Adding ability to decrypt ssl key file (#808) 10/12/20 90dbb6e0
  • Support .yml log config files (#799) 10/6/20 b468950e
  • Added python 3.9 support (#804) 10/6/20 08fd0559

Fixed

  • Fixes watchgod with common prefixes (#817) 10/14/20 1b32f997
  • Fix reload with ipv6 host (#803) 10/14/20 5acaee5b
  • Added cli support for headers containing colon (#813) 10/12/20 68732899
  • Sharing socket across workers on windows (#802) 10/12/20 103167a0
  • Note the need to configure trusted "ips" when using unix sockets (#796) 10/4/20 a504c569

0.12.1 - 2020-09-30

Changed

  • Pinning h11 and python-dotenv to min versions (#789) 9/29/20 bbf19c66
  • Get docs/index.md in sync with README.md (#784) 9/29/20 70ebcfdf

Fixed

  • Improve changelog by pointing out breaking changes (#792) 9/29/20 e2b75064

0.12.0 - 2020-09-28

Added

  • Make reload delay configurable (#774) 9/28/20 98010027
  • Upgrade maximum h11 dependency version to 0.10 (#772) 8/28/20 54d729cc
  • Allow .json or .yaml --log-config files (#665) 8/18/20 093a1f7c
  • Add ASGI dict to the lifespan scope (#754) 8/15/20 8150c3eb
  • Upgrade wsproto to 0.15.0 (#750) 8/13/20 fbce393f
  • Use optional package installs (#666) 8/10/20 5fa99a11

Changed

  • Dont set log level for root logger (#767) 8/28/20 df81b168
  • Uvicorn no longer ships extra dependencies uvloop, websockets and httptools as default. To install these dependencies use uvicorn[standard].

Fixed

  • Revert "Improve shutdown robustness when using --reload or multiprocessing (#620)" (#756) 8/28/20 ff4af12d
  • Fix terminate error in windows (#744) 8/27/20 dd3b842d
  • Fix bug where --log-config disables uvicorn loggers (#512) 8/11/20 a9c37cc4

0.11.8 - 2020-07-30

  • Fix a regression that caused Uvicorn to crash when using --interface=wsgi. (Pull #730)
  • Fix a regression that caused Uvicorn to crash when using unix domain sockets. (Pull #729)

0.11.7 - 2020-28-07

  • SECURITY FIX: Prevent sending invalid HTTP header names and values. (Pull #725)
  • SECURITY FIX: Ensure path value is escaped before logging to the console. (Pull #724)
  • Fix --proxy-headers client IP and host when using a Unix socket. (Pull #636)

0.11.6

  • Fix overriding the root logger.

0.11.5

  • Revert "Watch all files, not just .py" due to unexpected side effects.
  • Revert "Pass through gunicorn timeout config." due to unexpected side effects.

0.11.4

  • Use watchgod, if installed, for watching code changes.
  • Watch all files, not just .py.
  • Pass through gunicorn timeout config.

0.11.3

  • Update dependencies.

0.11.2

  • Don't open socket until after application startup.
  • Support --backlog.

0.11.1

  • Use a more liberal h11 dependency. Either 0.8.* or `0.9.*``.

0.11.0

  • Fix reload/multiprocessing on Windows with Python 3.8.
  • Drop IOCP support. (Required for fix above.)
  • Add uvicorn --version flag.
  • Add --use-colors and --no-use-colors flags.
  • Display port correctly, when auto port selection isused with --port=0.

0.10.8

  • Fix reload/multiprocessing error.

0.10.7

  • Use resource_sharer.DupSocket to resolve socket sharing on Windows.

0.10.6

  • Exit if workers or reload are use without an app import string style.
  • Reorganise supervisor processes to properly hand over sockets on windows.

0.10.5

  • Update uvloop dependency to 0.14+

0.10.4

  • Error clearly when workers=<NUM> is used with app instance, instead of an app import string.
  • Switch --reload-dir to current working directory by default.

0.10.3

  • Add ``--log-level trace`

0.10.2

  • Enable --proxy-headers by default.

0.10.1

  • Resolve issues with logging when using --reload or --workers.
  • Setup up root logger to capture output for all logger instances, not just uvicorn.error and uvicorn.access.

0.10.0

  • Support for Python 3.8
  • Separated out uvicorn.error and uvicorn.access logs.
  • Coloured log output when connected to a terminal.
  • Dropped logger= config setting.
  • Added --log-config [FILE] and log_config=[str|dict]. May either be a Python logging config dictionary or the file name of a logging configuration.
  • Added --forwarded_allow_ips and forwarded_allow_ips. Defaults to the value of the $FORWARDED_ALLOW_IPS environment variable or "127.0.0.1". The --proxy-headers flag now defaults to True, but only trusted IPs are used to populate forwarding info.
  • The --workers setting now defaults to the value of the $WEB_CONCURRENCY environment variable.
  • Added support for --env-file. Requires python-dotenv.