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Fixed in 2023.2.0b16, 2023.3.0a1



Found in



Issue ID




Unity Editor freezes when moving the mouse and clicking multiple times on a TextField with text in a custom Editor window



Reproduction steps:
1. Open the attached "PROJECTFILE" project
2. Open the “SearchBoxTest” custom Editor window (Window > “TEST WINDOW”)
3. In the TextField, hold down the “a” keyboard button and click the TextField multiple times quickly while moving the mouse for about 5 seconds

Expected result: Unity Editor does not freeze
Actual result: Unity Editor freezes

Reproducible with: 2023.2.0a5, 2023.2.0b10, 2023.3.0a6
Not reproducible with: 2021.3.30f1, 2022.3.10f1, 2023.1.14f1, 2023.2.0a4

Reproducible on: macOS 13.4.1 (M1 Max), Windows 10
Not reproducible on: No other environment tested

-Sometimes console errors “IndexOutOfRangeException: Index was outside the bounds of the array.” can be seen before the Editor freeze
-Unity Editor freeze can be inconsistent

  1. Resolution Note (fix version 2023.3.0a1):

    Fixed an issue in selection index evaluation

  2. Resolution Note (fix version 2023.2.0b16):

    Fixed an issue in selection index evaluation

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