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Fixed

Votes

2

Found in

6000.2.8f1

6000.3.0b7

6000.4.0a3

Issue ID

UUM-124707

Regression

Yes

Memory leak in Play mode when using VFX Graph & 256 SpriteRenderers

-

Steps to reproduce:
1. Open the attached “IN-120786” project
2. Enter Play mode
3. Open the Profiler & click on the Memory section
4. Observe Untracked memory usage

Expected result: Untracked memory usage does not grow
Actual result: Untracked memory usage climbs (~70 MB per second)

Reproducible with: 6000.2.5f1, 6000.2.8f1 (c9992ac36c34), 6000.3.0b2, 6000.3.0b7, 6000.4.0a1, 6000.4.0a3
Not reproducible with: 6000.0.60f1 (f02d6f9f9009), 6000.2.4f1, 6000.3.0a6, 6000.3.0b1 (0470b869db67)

Reproduced on: Windows 11
Not reproduced on: No other environment tested

Notes:
- Memory leak is in Untracked* → Private
- Toggle GameObject “Toggle memory leak” to toggle the memory leak

  1. Resolution Note:

    Fixed by another internal issue: UUM-120637: DX12 - Playmode Memory Leak and eventual crash/freeze on URPSample in both Player and Editor with graphics jobs

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Comments (3)

  1. unity_8AD8ACD04205CB6BDA5D

    Oct 31, 2025 17:54

    For anyone who comes about this with the same issue, switching your Graphics API to Vulkan seemed to do the trick for me. (6-7gb memory usage to 560mb)

  2. SpaceToastDotNet

    Oct 27, 2025 17:04

    This search feature is absolute trash. What’s the link to the duplicate issue?

  3. munkbusiness

    Oct 24, 2025 10:06

    I want to add to this, that it happens in builds as well.

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