Motion tolerance for Spawn Per Unit does not affect the particle system. Even if the vaules are set very high.
Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472090, and 4.22 CL# 4491638
No change to particles spawning
The motion tolerance set to a high value should prevent the spawning of particles
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-65556 in the post.