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Fixed

Fixed in 2021.3.9f1

Votes

127

Found in

2021.3.6f1

Issue ID

UUM-9248

Regression

Yes

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

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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. zalogic

    Aug 11, 2022 13:32

    Still happens in 2021.3.8f1. This bug is NOT fixed.

  2. FanStudioUK

    Aug 11, 2022 06:38

    Still broken in 2021.3.8f1. Come on, guys! Is everybody sleeping @ Unity?

  3. max_forbiddenstudios

    Aug 10, 2022 21:44

    Lost a ton of engineering time and had to defer a studio-wide unity version upgrade because this (still!) makes our game unplayable. These kind of major bugs slipping QA is why we switched to using LTS, come on!

  4. David_296

    Aug 10, 2022 18:55

    2021.3.8 still broken, it does not appear in known issues or in the fixes section. Crazy, unnaceptable

  5. SirHanselot

    Aug 10, 2022 06:55

    Had hoped it was fixed in 2021.3.8 since it was not appearing in the Known Issues, but nope.

  6. JorgeGameDev

    Aug 10, 2022 00:46

    Have to agree with everyone else about the urgency of fixing this issue. Our UI workflow is based heavily in nested canvas, and this is a regression that causes problems with several of our player's interactions with the UI.

  7. Ultraspider

    Aug 09, 2022 17:47

    Release note Know problems section for 2021.3.8f1 should be updated to indicate that the problem is still present.

  8. Enrique48k

    Aug 09, 2022 16:33

    Nested canvases still not working in 2021.3.8
    If I activate and deactivate "Override sorting" in the canvas, it works.

  9. maayanc

    Aug 09, 2022 15:06

    Still broken in 2021.3.8

  10. maayanc

    Aug 09, 2022 15:05

    Still broken in 2021.3.8

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