Particles V1.0: Initial Particles template. It is based on manual duplication of a particle template. Lacks on some functionality but allow Z Depth interaction with rest of objects.
Particles V2.0: Particle template release that uses Duplicate Layer. It simplify so much the edition of the file and its size. The Z Depth interaction is lost but some new functionality have been added like true turning On/Off particles and enable disable free floating.