Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview.
Found in 4.24.1 CL#10757647
Reproduced in 4.25 Main CL#11115840
1. Create a new project.
2. Enable Android ES 3.1 Preview Settings.
3. Add a new particle system to a the level and save the level.
4. Open a different level.
5. Open the level the particle was added to.
Expected: The particle system doesn't play.
Results: The particle system plays as expected.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-87537 in the post.