Discussions

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  httpcore.AsyncConnectionPool poisoning due to asyncio.CancelledError

  nikitagashkov asked Jan 13, 2026 in Potential Issue · Unanswered

  

  

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  Getting h2.exceptions.ProtocolError when using httpx with http2

  tabrezm asked Mar 3, 2024 in Potential Issue · Unanswered

  

  

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  Handling half-closed HTTP/2 streams gracefully.

  enhancement New feature or request

  lovelydinosaur started Jul 7, 2023 in General

  

  

  

  

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  Cancel scope exiting error in Python 3.13

  hermeschen1116 asked Nov 26, 2025 in Potential Issue · Unanswered

  

  

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  AnyIOStream.write leaks EndOfStream

  Miksus asked Oct 29, 2025 in Potential Issue · Unanswered

  

  

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  Expose socket connection interface in connection

  jborean93 started Feb 22, 2021 in Ideas

  

  

  

  

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  Editing Request in trace

  jborean93 started Jan 20, 2022 in General

  

  

  

  

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  HTTP2 GoAway frames don't seem to be handled gracefully in keepalive connections

  Tugzrida asked Oct 7, 2025 in Potential Issue · Unanswered

  

  

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  Hostnames With Trailing Dots Fail TLS Certificate Check In Sync Backend

  rjduffner asked Sep 29, 2025 in Potential Issue · Unanswered

  

  

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  Why doesn't HTTP2Connection.is_available check if _max_streams has been reached?

  ruanimal asked Sep 22, 2025 in Potential Issue · Unanswered

  

  

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  Rare edge case issue causing a thread deadlock with access to _optional_thread_lock in ConnectionPool

  Zenulous asked Jan 30, 2025 in Potential Issue · Unanswered

  

  

  

  

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  httpcore connection pooling for HTTP2 blocks requests due to max streams semaphore

  manishrjain asked Aug 28, 2025 in Potential Issue · Unanswered

  

  

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  Potential race condition in HTTP11Connection._expire_at with GIL disabled

  ismaelorenstein asked Aug 6, 2025 in Potential Issue · Unanswered

  

  

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  Issue in handle_async_request when using Proxy - Connection not being closed when await stream.start_tls(kwargs) raises Error

  RubensMachado-Dev asked Jun 10, 2024 in Potential Issue · Unanswered

  

  

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  RemoteProtocolError: Server disconnected without sending a response.

  smiRaphi asked Jul 22, 2025 in Q&A · Unanswered

  

  

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  Performance of writing large responses to socket

  suola asked May 9, 2025 in Potential Issue · Unanswered

  

  

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  Switch to trusted publishing

  EpicWink started May 23, 2025 in Ideas

  

  

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  Every second test fails with "RuntimeError: Event loop is closed" when re-using AsyncConnectionPool

  chbndrhnns asked Feb 27, 2023 in Q&A · Unanswered

  

  

  

  

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  Connection pool monitoring

  inikolaev asked Feb 7, 2022 in Q&A · Unanswered

  

  

  

  

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  Python 3.14 incompatibility related to some typing objects being immutable

  freakboy3742 asked Mar 19, 2025 in Potential Issue · Answered

  

  

  

  

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  Is sending and receiving at the same time breaking the rules?

  caffeinism started Apr 10, 2025 in General

  

  

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  Performance degrades under high load because of ConnectionNotAvailable exceptions

  kramar11 asked Mar 24, 2025 in Potential Issue · Unanswered

  

  

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  Should use threading.RLock instead of threading.Lock in _synchronization.py

  sandro-qiang started Mar 20, 2025 in General

  

  

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  HTTP2 Stream ID Conflict Occurs with ConnectionPool During Multi-threaded Concurrent Usage

  chenlcme asked Feb 28, 2025 in Potential Issue · Unanswered

  

  

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  Expose split_outbound_cookies from h2.config.H2Configuration

  Dzordzu started Feb 7, 2025 in Ideas

  

  

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