Ay caramba, I meant "not all subscibers notified"

** Summary changed:

- Multiple subscribers, only one subscriber notified with QoS 1
+ Multiple subscribers, not all subscribers notified with QoS 1

** Description changed:

  Mosquitto 2.0.14 on Ubuntu
  
  I have three subscribers to a topic with QoS 1. When I publish with QoS
  0, all subscribers get a publish. When I publish with QoS 1, only two
  subscribers get a publish.
  
  QoS 0:
  
  2022-01-08T21:43:01: Received PUBLISH from mqttspy-neko (d0, q0, r0, m0, 
'generic/time', ... (15 bytes))
  2022-01-08T21:43:01: Sending PUBLISH to acclock02 (d0, q0, r0, m0, 
'generic/time', ... (15 bytes))
  2022-01-08T21:43:01: Sending PUBLISH to acclock01 (d0, q0, r0, m0, 
'generic/time', ... (15 bytes))
  2022-01-08T21:43:01: Sending PUBLISH to mqttspy-neko (d0, q0, r0, m0, 
'generic/time', ... (15 bytes))
  
+ This is fine; all three get a publish.
+ 
  QoS 1:
  
  2022-01-08T21:53:07: Received PUBLISH from mqttspy-neko (d0, q1, r0, m97, 
'generic/time', ... (15 bytes))
  2022-01-08T21:53:07: Sending PUBLISH to acclock01 (d0, q1, r0, m188, 
'generic/time', ... (15 bytes))
  >>>Note acclock02 missing<<<
  2022-01-08T21:53:07: Sending PUBLISH to mqttspy-neko (d0, q1, r0, m43, 
'generic/time', ... (15 bytes))
  2022-01-08T21:53:07: Sending PUBACK to mqttspy-neko (m97, rc0)
  2022-01-08T21:53:07: Received PUBACK from mqttspy-neko (Mid: 43, RC:0)
  2022-01-08T21:53:07: Received PUBACK from acclock01 (Mid: 188, RC:0)
  
+ acclock02 is not being notified (exactly the same software/ hardware as
+ acclock01, just two devices of the same kind).
+ 
  I am missing something?
  
  Christian

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https://bugs.launchpad.net/bugs/1956842

Title:
  Multiple subscribers, not all subscribers notified with QoS 1

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