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Fixed in 6000.0.59f1, 6000.2.6f1, 6000.3.0b1

Under Consideration for 2022.3.X

Votes

60

Found in

2022.3.66f1

6000.1.16f1

6000.2.0f1

6000.3.0a4

Issue ID

UUM-113839

Regression

Yes

Memory leak warnings are thrown when creating a Particle System GameObject

-

Steps to reproduce:

  1. Create a new Unity project using the Universal 3D template
  2. Create a new Particle System (GameObject > Effects > Particle System)
  3. Observe the Console window

Actual results: Memory leak warnings are thrown

Expected results: No warnings or errors thrown

Reproducible with versions: 6000.0.58f1, 6000.1.15f1, 6000.1.16f1, 6000.2.0f1, 6000.3.0a4

Not reproducible with versions: 6000.0.54f1, 6000.1.14f1

Tested on (OS): Windows 11, macOS Silicon Sequoia 15.5

Notes:

  • Also reproduces in HDRP
  • Sometimes need to wait a bit after creating the Particle System for memory leak warnings to appear or click on other GameObjects

Comments (36)

  1. berkce

    Aug 29, 2025 19:08

    Started happening today in Unity 6.2 (6000.2.2f1) URP 3D when using particle system.

    Internal: JobTempAlloc has allocations that are more than the maximum lifespan of 4 frames old - this is not allowed and likely a leak

  2. DD_Hieu_san

    Aug 28, 2025 07:11

    Happens in Unity 6.2 (6000.2.1f1) URP 3D when using particle system.

  3. dshort3266

    Aug 28, 2025 00:28

    Happens for me in 6000.2.1f1 URP 3D.

  4. victorfager

    Aug 27, 2025 21:58

    Happens for me in 6000.0.55f1

  5. Murad101012

    Aug 25, 2025 17:46

    Also happen for 6000.0.56f1

  6. The_Hechang

    Aug 22, 2025 16:14

    Noticed the Same issue. Using Unity 6000.2.1f1. Universal 2D.

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