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Fixed in 1.0.0



Found in [Package]


Issue ID




[UIToolkit] The button.clicked callback is triggered when hovering the mouse up on the blocking element

Package: UI Toolkit


Reproduction steps:
1. Open the attached user's project "UIToolkit"
2. Open the "Main Menu.unity" Scene
3. Press the Play button
4. In the Game view, press and hold the "R1" button with the left mouse button
5. Hover over the backside of the button that is hidden and observe the button

Expected result: The button animation is not triggered
Actual result: The button animation is triggered

Reproducible with: built-in UI Toolkit (2021.2.0b15, 2022.1.0a11)
Could not test with: 2019.4.31f1 (No UI Toolkit package available), 2020.3.20f1, 2021.1.25f1 (Project breaks, Console errors)

  1. Resolution Note (fix version 1.0.0):

    Fixed in: (1.0.0) 2022.1.0a15

  2. Resolution Note (fix version 1.0.0):

    Fixed in: Built-in UI Toolkit 1.0.0 (2021.2.16f1)

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