Changelog

3.3.0 (2018-06-01)

Features

Raise ConnectionResetError instead of CancelledError on trying to write to a closed stream. (#2499)
Implement ClientTimeout class and support socket read timeout. (#2768)
Enable logging when aiohttp.web is used as a program (#2956)
Add canonical property to resources (#2968)
Forbid reading response BODY after release (#2983)
Implement base protocol class to avoid a dependency from internal asyncio.streams.FlowControlMixin (#2986)
Cythonize @helpers.reify, 5% boost on macro benchmark (#2995)
Optimize HTTP parser (#3015)
Implement runner.addresses property. (#3036)
Use bytearray instead of a list of bytes in websocket reader. It improves websocket message reading a little. (#3039)
Remove heartbeat on closing connection on keepalive timeout. The used hack violates HTTP protocol. (#3041)
Limit websocket message size on reading to 4 MB by default. (#3045)

Bugfixes

Don't reuse a connection with the same URL but different proxy/TLS settings (#2981)
When parsing the Forwarded header, the optional port number is now preserved. (#3009)

Improved Documentation

Make Change Log more visible in docs (#3029)
Make style and grammar improvements on the FAQ page. (#3030)
Document that signal handlers should be async functions since aiohttp 3.0 (#3032)

Deprecations and Removals

Deprecate custom application's router. (#3021)

Misc

#3008, #3011