PyPI · #2275 most downloaded on PyPI

quart

0.23.14.2M downloads/mopallets/quart ↗New releases in your daily digest, changelog included.

A Python ASGI web framework with the same API as Flask

Last release 19 days ago
29 Aug 2026
Ships unpredictably
gaps range from 9 days to 1.6 years
Nearly every release is documented
notes for 60 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
9 years old
69 releases · first in 2017

Release timeline

69 releases since 2017

2017201920212023

Releases

0.6.118 Jun 2018
Accept PathLike objects to the send_file function.
Released 2018-06-18

Accept PathLike objects to the send_file function.

Fix mutable methods in blueprint routes or url rule addition.

Don't lowercase header values.

Support automatic options on View classes.
Open source →
0.6.011 Jun 2018Breaking
Change template context processors to be async, this is backwards incompatible.
Released 2018-06-11

Quart is now an ASGI framework, and requires an ASGI server to serve requests. Hypercorn is used in development and is recommended for production. Hypercorn is a continuation of the Quart serving code.

Add before and after serving functionality, this is provisional.

Add caching, last modified and etag information to static files served via send_file.

Fix date formatting in response headers.

make_response should error if response is None.

Deprecate the Gunicorn workers, see ASGI servers (e.g. Uvicorn).

Ensure shell context processors work.

Change template context processors to be async, this is backwards incompatible.

Change websocket API to be async, this is backwards incompatible.

Allow the websocket class to be configurable by users.

Catch signals on Windows.

Preserve context in Flask-Patch system.

Add the websocket API to blueprints.

Add host, subdomain, and default options to websocket routes.

Support defaults on route or add_url_rule usage.

Introduce a more useful BuildError

Match Flask after request function execution order.

Support required_methods on view functions.

Added CORS, Access Control, datastructures to request and response objects.

Allow type conversion in (CI)MultiDict get.

0.5.014 Apr 2018

Further API compatibility with Flask, specifically submodules, wrappers, and the app.

Released 2018-04-13

Further API compatibility with Flask, specifically submodules, wrappers, and the app.
Ensure error handlers work.
Await get_data in Flask Patch system.
Fix rule building, specifically additional arguments as query strings.
Ability to add defaults to routes on definition.
Allow set_cookie to accept bytes arguments.
Ensure mimetype are returned.
Add host matching, and subdomains for routes.
Introduce implicit sequence conversion to response data.
URL and host information on requests.
Add a debug page, which shows tracebacks on errors.
Fix accept header parsing.
Cope with multi lists in forms.
Add cache control, etag and range header structures.
Add host, url, scheme and path correctly to path wrappers.
Fix CLI module parsing.
Add auto reloading on file changes.
Ignore invalid upgrade headers.
Fix h2c requests when there is a body (to not upgrade).
Refactor of websocket API, matching the request API as an analogue.
Refactor to mitigate DOS attacks, add documentation section.
Allow event loop to be specified when running apps.
Ensure automatic options work.
Rename TestClient -> QuartClient to match Flask naming.

Open source →

0.4.014 Jan 2018

Change to async signals and context management. This allows the signal receivers to be async (which is much more useful) but requires changes to any c

Released 2018-01-14

Change to async signals and context management. This allows the signal receivers to be async (which is much more useful) but requires changes to any current usage (notably test contexts).
Add initial support of websockets.
Support HTTP/1.1 to HTTP/2 (h2c) upgrades, includes supporting HTTP/2 without SSL (note browsers don't support this).
Add timing to access logging.
Add a new logo :) thanks to @koddr.
Support streaming of the request body.
Add initial CLI support, using click.
Add context copying helper functions and clarify how to stream a response.
Improved tutorials.
Allow the request to be limited to prevent DOS attacks.

Open source →

0.3.010 Oct 2017

Change flask_ext name to flask_patch to clarify that it is not the pre-existing flask_ext system and that it patches Quart to provide Flask imports.

Released 2017-10-10

Change flask_ext name to flask_patch to clarify that it is not the pre-existing flask_ext system and that it patches Quart to provide Flask imports.
Added support for views.
Match Werkzeug API for FileStorage.
Support HTTP/2 pipelining.
Add access logging.
Add HTTP/2 Server push, see the push_promises set on a Response object.
Add idle timeouts.

Open source →