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[macOS] All the text in the Editor becomes Corrupted and Unreadable after switching to another Window and coming back to Unity

UI Toolkit


To reproduce:

1. Download attached "" project and open in Unity
2. Open "SampleScene"
3. Enter to Play mode
4. While playing, switch to Rider with the same Unity project opened
5. For a fraction of a second, Rider will show “Updating indices” in the bottom status bar
6. Switch back to the Unity Editor

Expected results: Everything still works as it should
Actual results: Whole Editor window Text became Corrupted and Unreadable

- This issue appears only on macOS
- This issue does not happen with Visual Studio
- Some times this issue happens also when rapidly switching to another window and back with Command + Tab
- Picture for reference is attached in Comments section

Reproduced on Unity 2019.3.0a2, 2019.3.0b5 and 2020.1.0a6
Not reproduced on Unity 2018.4.10f1, 2019.2.7f2 and 2019.3.0a1
Regression on Unity 2019.3.0a2

Comments (1)

  1. bartacuss

    Jan 20, 2021 04:56

    I am filing the similar issue
    However; On my Macbook 16 inch it occurs even when I am simply working in Unity
    (don't have to switch windows or app for this to occur)

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