Thinking about it a bit more, this issue did ring a vague bell with me. A quick search came up with this thread:
It seems like a similar situation.
I’m currently working on revamping the MQTT code that I use on my devices, and adding-in some direct Blynk communication as well as the MQTT → Node-Red → Blynk method that I currently use. I’ve not shared the code that I run on my devices before (mostly because it needed this revamp first), so that should be too far off.