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Fixed in 2021.2.X

Fixed in 2019.4.X, 2020.3.X, 2021.1.X



Found in


Issue ID




[UIR] Moving a mask breaks masking performed by a sibling mask

UI Toolkit


1. Open the provided project.
2. Open the buggy window under Bug/BadMasking
3. Click "Move"

Expected Result: The blue element remains clipped the way it is.
Actual Result: The blue element isn't clipped anymore.

The element on the left should not affect the masking performed by its sibling.

First broken version: 2019.4.x

  1. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a18.2505

  2. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.18f1

  3. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.18f1

  4. Resolution Note (fix version 2019.4):

    Fixed in 2019.4.30f1

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