Issues

• tls_set() raises AttributeError on Python built with OpenSSL 4 (ssl.PROTOCOL_TLSv1_2 missing)

  eclipse-paho/paho.mqtt.python#960 · Filter by author bmiesch opened on Oct 5, 2026

• Update CONTRIBUTING to reflect AI policy

  Status: Available
  eclipse-paho/paho.mqtt.python#957 · Filter by author pswsm opened on Sep 21, 2026
  6

• MQTTMatcher: # wildcard does not match parent level (spec 4.7.1.2) - sport/# fails to match topic sport

  Status: Available
  eclipse-paho/paho.mqtt.python#950 · Filter by author Meet6338-X opened on Aug 25, 2026
  1

• Feature req/ suggestion. Public API for client._out_messages.clear()

  Status: Available
  eclipse-paho/paho.mqtt.python#935 · Filter by author JamesParrott opened on Jul 20, 2026

• When will be the next release?

  Status: Available
  eclipse-paho/paho.mqtt.python#933 · Filter by author corentinmusard opened on Jul 15, 2026
  4

• QoS2 sends messages out-of-order if published between CONNECT and CONNACK when using connect_async()

  Status: Available
  eclipse-paho/paho.mqtt.python#910 · Filter by author dcrowe opened on Apr 28, 2026
  2

• ACL deny by server on Publish still produces Success in client (python)

  Status: Available
  eclipse-paho/paho.mqtt.python#895 · Filter by author nipil opened on Jun 27, 2025
  3

• Infinite disconnect/reconnect loops because reconnection resends qos>0 messages even when they're using topic aliasing

  Status: Available
  eclipse-paho/paho.mqtt.python#893 · Filter by author inbilla opened on Jun 11, 2025
  5

• Pylance complains about "CallbackAPIVersion" is not exported from module "paho.mqtt.client"

  Status: Available
  eclipse-paho/paho.mqtt.python#892 · Filter by author MichielfromNL opened on May 18, 2025
  9

• The SSLError causes the thread running paho-mqtt via loop_start() to hang

  Status: Available
  eclipse-paho/paho.mqtt.python#891 · Filter by author chinmaya85 opened on May 9, 2025
  1

• How to convert timestamp from MQTTmessage into current datetime

  Status: Available
  eclipse-paho/paho.mqtt.python#888 · Filter by author mitchell-pioneer opened on Apr 15, 2025
  1

• Follow 301/308/30X HTTP redirects

  Status: Available
  eclipse-paho/paho.mqtt.python#886 · Filter by author skremdwd opened on Apr 3, 2025
  1

• will_set should make it clear when it's not effective

  Status: Available
  eclipse-paho/paho.mqtt.python#885 · Filter by author dannystaple opened on Mar 19, 2025
  4

• QoS 2 messages loss on new instance

  Status: Available
  eclipse-paho/paho.mqtt.python#883 · Filter by author rubenbaer opened on Mar 5, 2025

• import of paho.mqtt.client not possible when ONLY importing in subthread

  Status: Available
  eclipse-paho/paho.mqtt.python#882 · Filter by author KonstantinWaser opened on Mar 3, 2025
  4

• Option to add custom websocket headers for handshake

  Status: Available
  eclipse-paho/paho.mqtt.python#879 · Filter by author konkhra opened on Feb 5, 2025
  2

• Receiving retained message twice on subscription to multiple topics with one subscribe call

  Status: Available
  eclipse-paho/paho.mqtt.python#878 · Filter by author rmeissne opened on Jan 17, 2025
  1

• Inconsistent implementation for MQTT 5 persistent sessions (clean_start)

  Status: Available
  eclipse-paho/paho.mqtt.python#877 · Filter by author skobow opened on Jan 12, 2025
  1

• Roundtrips take at least 40ms or are not in the right order when publishing in subscribe

  Status: Available
  eclipse-paho/paho.mqtt.python#874 · Filter by author maurerle opened on Dec 1, 2024
  4

• open connection with custom socket

  Status: Available
  eclipse-paho/paho.mqtt.python#873 · Filter by author ghost opened on Nov 28, 2024
  1

• Client.loop_stop contains a race-condition

  Status: Available
  eclipse-paho/paho.mqtt.python#872 · Filter by author PromyLOPh opened on Nov 27, 2024
  1

• on_connect not called after reconnection after server restart

  Status: Available
  eclipse-paho/paho.mqtt.python#871 · Filter by author Zugschlus opened on Nov 16, 2024
  2

• on_disconnect Callback Triggered Twice When Connection is Lost

  Status: Available
  eclipse-paho/paho.mqtt.python#870 · Filter by author sfczsolti opened on Nov 10, 2024
  4

• Using Paho 2.+ in Python for MQTT with TPM

  Status: Available
  eclipse-paho/paho.mqtt.python#869 · Filter by author Galcon95 opened on Nov 8, 2024
  1

• Failing on_message retries message indefinitly

  Status: Available
  eclipse-paho/paho.mqtt.python#867 · Filter by author rubenbaer opened on Oct 31, 2024
  2