After converting to OH 4.0.1 I have these warnings in the log:
2023-08-15 12:37:58.173 [WARN ] [core.thing.internal.ThingManagerImpl] - Channel types or config descriptions for thing 'daikin:ac_unit:suite' are missing in the respective registry for more than 120s. In case it does not happen immediately after an upgrade, it should be fixed in the binding.
2023-08-15 12:37:58.177 [WARN ] [core.thing.internal.ThingManagerImpl] - Failed to normalize configuration for thing 'daikin:ac_unit:suite': {thing/channel=Type description daikin:acunit-specialmode-powerful for daikin:ac_unit:suite:specialmode-powerful not found, although we checked the presence before.}
2023-08-15 12:37:58.198 [WARN ] [core.thing.internal.ThingManagerImpl] - Channel types or config descriptions for thing 'daikin:ac_unit:sala' are missing in the respective registry for more than 120s. In case it does not happen immediately after an upgrade, it should be fixed in the binding.
2023-08-15 12:37:58.200 [WARN ] [core.thing.internal.ThingManagerImpl] - Failed to normalize configuration for thing 'daikin:ac_unit:sala': {thing/channel=Type description daikin:acunit-specialmode-powerful for daikin:ac_unit:sala:specialmode-powerful not found, although we checked the presence before.}
2023-08-15 12:38:00.209 [WARN ] [core.thing.internal.ThingManagerImpl] - Channel types or config descriptions for thing 'daikin:ac_unit:cozinha' are missing in the respective registry for more than 120s. In case it does not happen immediately after an upgrade, it should be fixed in the binding.
2023-08-15 12:38:00.212 [WARN ] [core.thing.internal.ThingManagerImpl] - Failed to normalize configuration for thing 'daikin:ac_unit:cozinha': {thing/channel=Type description daikin:acunit-specialmode-powerful for daikin:ac_unit:cozinha:specialmode-powerful not found, although we checked the presence before.}
This also happened (and was reported) in 4.0 milestone releases.