Version 0.14.2

Fixed

• Fixed ServerErrorMiddleware compatibility with Python 3.9.1/3.8.7 when debug mode is enabled - #1132.
• Fixed unclosed socket ResourceWarnings when using the TestClient with WebSocket endpoints - #1132.
• Improved detection of async endpoints wrapped in functools.partial on Python 3.8+ - #1106.

Version 0.14.1

Removed

• UJSONResponse was removed (this change was intended to be included in 0.14.0). Please see the documentation for how to implement responses using custom JSON serialization - #1074.

Version 0.14.0

Added

• Starlette now officially supports Python3.9.
• In StreamingResponse, allow custom async iterator such as objects from classes implementing __aiter__.
• Allow usage of functools.partial async handlers in Python versions 3.6 and 3.7.
• Add 418 I'm A Teapot status code.

Changed

• Create tasks from handler coroutines before sending them to asyncio.wait.
• Use format_exception instead of format_tb in ServerErrorMiddleware's debug responses.
• Be more lenient with handler arguments when using the requires decorator.

Version 0.13.8

• Revert Queue(maxsize=1) fix for BaseHTTPMiddleware middleware classes and streaming responses.

• The StaticFiles constructor now allows pathlib.Path in addition to strings for its directory argument.

Version 0.13.7

• Fix high memory usage when using BaseHTTPMiddleware middleware classes and streaming responses.

Version 0.13.6

• Fix 404 errors with StaticFiles.

Version 0.13.5

0.13.5

• Add support for Starlette(lifespan=...) functions.
• More robust path-traversal check in StaticFiles app.
• Fix WSGI PATH_INFO encoding.
• RedirectResponse now accepts optional background parameter
• Allow path routes to contain regex meta characters
• Treat ASGI HTTP 'body' as an optional key.
• Don't use thread pooling for writing to in-memory upload files.

Version 0.13.4

• Add UUID convertor. #903
• More lenient cookie parsing. #900