Search Issue Tracker
Fixed in 2021.2.X
Fixed in 2019.4.X, 2020.3.X, 2021.1.X
Votes
0
Found in
2018.4
2019.4
2019.4.14f1
2020.2
2021.1
2021.2
Issue ID
1296365
Regression
No
ParticleSystem.Prewarm is caused when calling ParticleSystem.Simulate even if "PreWarm" option is disabled on the ParticleSystem
How to reproduce:
1. Open the attached project's Scene labeled "SampleScene"
2. Enter the Play Mode
3. Press the "Space" key
4. Open up the Profiler Window (Window->Analysis->Profiler)
5. In the Profiler, search for "ParticleSystem.Prewarm"
Expected result: "ParticleSystem.Prewarm" is not found
Actual result: Simulating Particle System in Late Update causes a prewarm
Reproducible with: 2018.4.31f1, 2019.4.18f1, 2020.2.3f1, 2021.1.0b4, 2021.2.0a3
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- A submenu disappears on MacOS when the MenuItem method argument "isVariableFunction" is set to "false" and priority argument is set to "-1"
- The Sprite Library Editor window has an incorrect order of Sprites when the Sprites are reordered and the order saved
- Tilemap Tiles do not get lit up unless the Light Range is greater than the distance between the position of the Tile before the transformation and the Light Source when the Tile is transformed with Tilemap.SetTransformMatrix method
- The Editor and "Reloading Domain" windows are frozen when entering Play Mode
- Crash when attempting to create a custom FMOD DSP unit
Resolution Note (fix version 2021.2):
Simulate was incorrectly labelled as Prewarm in the profiler. Fixed in Unity 2021.2.0a5 and above
Resolution Note (fix version 2021.1):
Fixed in Unity 2021.1.0f1
Resolution Note (fix version 2020.3):
Fixed in Unity 2020.3.5f1
Resolution Note (fix version 2019.4):
Fixed in Unity 2019.4.26f1