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Fixed in Unity 2018.3



Found in


Issue ID




Particle System prefab does not play after entering Play mode while it's source is not visible




Priority: 2Necessary for shipping a final release


Severity: 3Secondary functionality broken

Reproduction steps:

1. Open "" project
2. Enter Play mode
3. Notice that the Particle System doesn't start simulating
4. Focus the Scene View
5. Notice that the Particle System starts simulating

Expected Result: Particle System starts simulating on Entering Play mode
Actual Result: Particle System doesn't start simulating until the source of the Particle System is in view of the Scene/Game view

Fixed in: 2019.2.0a4

Reproduced with: 2019.1.0a13, 2019.1.0a12, 2018.3.1f1, 2018.3.0f2
Did not reproduce on: 2019.1.0a10, 2019.1.0a7, 2019.1.0a1, 2018.3.0b12, 2018.3.0b9, 2018.3.0b6, 2018.3.0b1, 2018.3.0a7, 2018.3.0a6, 2018.3.0a1, 2017.4.18f1

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