I'm just about to play with their dashboards, no previous experience.
On checking documentation I found that the dashboards are based on Angular 1, which was end of life while I was still working, about 4 years ago.
I also found there's a company offering Node-RED dashboards V2. But little about the engine behind.
Just wondering what others think.
Or would it be better to skip this, bite the bullet, pull data with MQTT into influxDB and use that to drive a Grafana board. Grafana moved off Angular about 4 years ago ify memory isn't playing it's usual tricks.
More work, but probably more future proof.