Mosquitto 5.1 Hass.io Do I need to create a user ot not?

[QuadRAGIN (David Masch)]

Just installed Mosquitto Hass.io add-on
Do I need to create a Homeassistant User or can I just use “anonymous”: true,?
or would it be best practice to create a user?
If I create a user then do I need to create the ACL?

Reason I ask is under the known issues and limitations it states:
Since version 4.1 of the add-on, an explicit ACL definition is now required if you plan to use legacy logins and "anonymous": true .

Logs are showing new clients connecting.

[QuadRAGIN (David Masch)]

Followed these instructions!
the key is to remove the auto added MQTT and manually add the integration with the Plus Symbol

MQTT Broker addon on Hassio - Unable to connect to the broker

I eventually got it working Mosquitto Broker version: 4.3 Home Assistant version: 0.93.2 This was a newish setup (i.e. I never had MQTT setup before, apparently if you have the mqtt section in your configuration.yaml you should remove it before installing the new version) Steps I took (rough): Created a new user in Home Assistant (NOTE: Username cannot be “homeassistant” or “addon”) Go to Hass.io --> “Add-On Store” Under official add-ons, clicked on “Mosquitto broker” Ensure “Start on boot…

[mzpx]

My problem is, that I always get an error when I try to create a new user
I restarted the whole system, but no result.
Do you have any idea?