Particles flicker at the end of first emitter loop when interpolated spawning is enabled
This issue does not occur if interpolated spawning is disabled.
This issue does not occur for any of the subsequent loops after the first.
This issue also occurs in the level and during PIE.
Result: The particle flickers at 1.00s when the emitter loops the first time
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-94572 in the post.