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Fixed in 2.6.2-preview.1



Found in [Package]


Issue ID




[Cinemachine] Huge Memory allocation increase each time when switching between Virtual Cameras

Package: Cinemachine


How to reproduce:
1. Open attached "" project and "SampleScene" scene
2. Select the VirtualCamera_2 GameObject in the Hierarchy window
3. Toggle It On and Off multiple times

Expected result: Unity response time does not change
Actual result: Unity response time increases each time the active state is toggled

Reproducible with: 2019.4.9f1, 2020.1.4f1, 2020.2.0b1 (Cinemachine 2.6.0, 2.6.1)
Not reproducible with: 2019.4.9f1, 2020.1.4f1, 2020.2.0b1 (Cinemachine 2.3.3 - 2.5.0)
Could not test with: 2018.4.26f1 (could not downgrade)

Notes: The issue only occurs if the Camera with the CinemachineBrain component also has a PostProcessLayer component attached

  1. Resolution Note (fix version 2.6.2-preview.1):

    This was a regression introduced in 2.6.0. Memory leak in CinemachinePostProcessing.OnCameraCut.

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