Wait until node in nodered doesn't work anymore as expected

Third party integrations Node-RED
2

Could you provide your flow. The post you linked off to, they are not sending the entity variable the right way. It needs to be in the format

{
  "entities": ["light.living_room", "light.bedroom"]
}

https://zachowj.github.io/node-red-contrib-home-assistant-websocket/node/wait-until.html#full-payload

Edit : For a single entity use

{
  "entities": "light.living_room"
}

[{"id":"393cf2754fd83302","type":"ha-wait-until","z":"0a325c35fc29f44e","name":"","server":"","version":3,"outputs":2,"entities":{"entity":["{{payload}}"],"substring":[],"regex":[]},"property":"state","comparator":"is","value":"on","valueType":"str","timeout":"1","timeoutType":"num","timeoutUnits":"minutes","checkCurrentState":true,"blockInputOverrides":false,"outputProperties":[],"x":520,"y":4320,"wires":[["4acd45b38442a0a3"],[]]},{"id":"c72a95eb9ea49951","type":"inject","z":"0a325c35fc29f44e","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{   \"entities\": \"light.dj\" }","payloadType":"jsonata","x":290,"y":4320,"wires":[["393cf2754fd83302"]]},{"id":"4acd45b38442a0a3","type":"debug","z":"0a325c35fc29f44e","name":"debug 208","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":770,"y":4320,"wires":[]}]