I'm currently rewriting the HUD app (mostly bringing it up to a Full HD resolution) and ended up implementing a sound board on top of priority alerts. This means I can now play sounds by event or click and annoy myself with a bunch of additional alerts on top of the ones a game might provide. Here have a demo video (check your volume!):

This uses my X4-SimPit extension for X4: Foundations, that sends ship telemetry via a socket to my node-red plumbing pipeline, which in turn forwards data to Websockets, SocketIO and MQTT. Various subscriber listen on the new messages to run blinken lights and my HUD app. I’m using the well known message format also used by Elite Dangerous so it’s compatible with that game as well.

Oh and I also added theme support so I can now switch between multiple themes: