Re: [paho-dev] Python client 1.6.1 released

[Alex J Lennon <ajlennon@xxxxxxxxxxxxxxxxxxxx>]

On 21/10/2021 15:46, Roger Light wrote:
> Dear all,
>
> I'm pleased to announce that the Python client version 1.6.1 has been
> released. Version 1.6.0 was also released but broke Python 2.7
> support, which was not intended.
>
> The 1.6.0 feature changes are:
>
> - Callbacks can now be updated from within a callback.
> - Big performance improvement when receiving large payloads,
> particularly for SSL. Closes #571,
> - Add basic MQTT v5 support to the subscribe and publish helper
> functions. Closes #575.
> - Changed default TLS version to 1.2 instead of 1.0.
> - Remove _out_packet_mutex and _current_out_packet_mutex and convert
> the _out_packet queue use to thread safe (simplifies the internals)
> - Callbacks can now be applied to client instances using decorators.
> - The `rc` parameter in the `on_disconnect` callback now has
> meaningful values in the case of an error. Closes #441.
> - Remove periodic retry checks for outgoing messages with QoS>0. This
> means that outgoing messages will only be retried on the client
> reconnecting to the server. They will *not* be retried when the client
> is still connected.
> - MQTTMessageInfo.wait_for_publish() and
> MQTTMessageInfo.is_published() will now raise exceptions if called
> when the publish call produced an error. Closes #550.
> - Raise exceptions when attempting to set MQTT v5 properties to
> forbidden values. Closes #586.
> - PUBACK messages are now sent to the broker only after the on_message
> callback has - Add timeout to
> MQTTMessageInfo:wait_for_publish().returned.
> - Add timeout to MQTTMessageInfo:wait_for_publish().
> - Removed ancient Mosquitto compatibility class.
>
> And fixes:
>
> - Fix incoming MQTT v5 messages with overall property length > 127
> bytes being incorrectly decoded. Closes #541.
> - Fix on_disconnect() sometimes calling the MQTT v3.x callback when it
> should call the MQTT v5 callback. Closes #570.
> - Fix connecting with MQTT v5 to a broker that doesn't support MQTT
> v5. Closes #566.
> - Fix exception on calling Client(client_id="", clean_session=False).
> Closes #520.
> - Experimental support for Websockets continuation frames. Closes
> #500. Closes #89.
> - `Properties.json()` now converts Correlation Data bytes() objects to
> hex. Closes #555.
> - Only use the internal sockpair wakeup when running with loop_start()
> or loop(). This removes problems when running with an external event
> loop.
> - Drain all of sockpairR bytes to avoid unnecessary wakeups and
> possible timeouts. Closes #563.
>
> Regards,


Fantastic work! Thanks!