Ikea Tradfri lights not anymore reflected / recognized in HA

Third party integrations
1

Since a few weeks most of my Ikea Tradfri lights are not anymore reflected correctly in Home Assistant.

  1. Even if the light is physically on, HA shows it as off. When I now switch the light in HA on, nothing happens. If I then switch it off again, the light gets physically dark.
  2. For another light it is vice versa.

Furthermore some lights are not anymore recognized in Home Assistant although they are available and controllable in the IKEA mobile app.
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Do you have any idea how to fix this problem?

(already opened an issue: Ikea Tradfri lights not anymore reflected in HA · Issue #83348 · home-assistant/core · GitHub)

2

Anyone who experiences similar issues? Anyone who could help? Cheers