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Fixed in 2021.3.9f1



Found in


Issue ID




UI Elements are no longer rendered when deactivating and reactivating the Parent GameObject



How to reproduce:
1. Open the attached project “CanvasBug”
2. Open the “SampleScene” Scene
3. Deactivate and reactivate “Canvas” GameObject
4. Observe the Scene View

Expected result: The UI Elements are rendered
Actual result: The UI Elements are not rendered

Reproduced with: 2021.3.6f1
Not reproduced with: 2020.3.36f1, 2021.3.5f1, 2022.1.9f1, 2022.2.0b1, 2023.1.0a3

Reproduced on: Windows 11 Pro, macOS Monterey 12.4 (M1)

  1. Resolution Note (fix version 2021.3.9f1):

    uGUI: When disabling a canvas and reenabling it, Canvas now renders correctly.

Comments (43)

  1. yulcatWorking

    Jul 29, 2022 07:54

    Unity should stop the distribution of 2021.3.6f1 and 2021.3.7f1. It is obvious defect.

  2. Erveon

    Jul 28, 2022 17:57

    How was this not a priority for 2021.3.7f1? This is such a game breaking bug (literally)..

  3. DaveA_VR

    Jul 28, 2022 17:56

    This is a pretty big problem. Hoping 2021.3.8 comes sooner than later

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