You might ask, "Why not use Particular 6?" Here is the brutally honest reality for professional workflows.
The most obvious change is the dedicated Designer window. Instead of tweaking numerical sliders in After Effects’ timeline, 4.1.2 allows you to click directly on particles to change their behavior. Red Giant Trapcode Particular 4.1.2
Trapcode Particular 4.1.2 generates 3D particle systems inside After Effects using emitter types (Point, Box, Grid, Sphere, etc.), customizable particle physics, and built-in shading. Version 4.x improved GPU utilization, introduced improved motion blur handling and more emitter/auxiliary controls compared with earlier releases. Real-time feedback: Drag a wind force vector directly