MQTT with Retained Flag no Data update

[Troon]

This topic describes a similar problem solved with an MQTT bridge:

MQTT problem after Core update to 2023.6

Hello Community, after the core update to 2023.6 I already noticed problems with MQTT. Now I found that after the update to 2023.7 the problems are the same. At the moment I am back on 2023.4 thanks to a full backup. My setup: RaspberryMatic CCU3 with CCU-Jack as MQTT broker (over 200 MQTT entities). Home Assistant fetches the data via MQTT integration unencrypted over port 1883 with username and password The MQTT integration is configured in the UI The entities are configured manually via m…