JSchy65

To set the receive-maximum to that small value is intentendet as I understood yor answer . **Thats fine for me**. I only wanted to make sure that it was intended...

If the -x enables the MQTT v5.0 mode, that is a really great idea I like very much. But I have retested with 2.0.15 now and the behaviour of the...

The issue occurs in versions 2.0.12, 2.0.13, 2.0.14 and 2.0.15. The issue occurs **NOT** in 1.6.9, 1.6.15, 2.0.0, 2.0.10 and 2.0.11 (others not tested).

To emphasize the importance of this topic, I repeat what jh-profilsys-de already wrote above: "**for people who rely on the queueing of QOS 1 or 2 Messages this is a...

I tested now with Mosquitto **2.0.14** on Ubuntu 20.04.3 LTS. There is the **same behaviour** as described above but instead by 20, the number of messages is decreased by 40....

Yes, I agree with you: whether the messages are delivered to the client or not is the important point Because of the thing with the $SYS/broker/store/messages/count, I did another test...

Thank you for the tip above. That makes things easier :-) In meantime I have tested both test cases above with 2.0.15 and both are working as expected -> issue...

I tested now with Mosquitto 2.0.14 on Ubuntu 20.04.3 LTS. There is the same behaviour as described above. On Oracle Linux 8 there is only mosquitto 1.6.15 available. But we...

In meantime I retested with 2.0.15 and it behaved as expected -> issue is fixed. Thank you very much for your support.

See https://github.com/eclipse/mosquitto/issues/2980 "Feature Request: Expand bridge with Session Expiry Interval (MQTT 5.0)"