OK
1] Added BCC Title Studio FX to Event.
2] Preview only showing BORIS name, the Background has totally gone:
Here I’ve selected just the Right side so you can see the “half” view with the BG being there within the Left side:
3] Uncheck BCC Title Studio and Added Particle Illusion as FX - this shows Background.
4] Check BCC Title Studio and Launch UI Window and the Background is there:
5] Now I’m checking Boris Particle Illusion, and all is fine:
So, somehow in VP18 the all-important ALPHA Channel is not active - but this Issue is ONLY apparent in BCC Title Studio.
Seasonal Greetings’ - Grazie!