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Fixed in 2021.1.X

Fixed in 2019.4.X, 2020.3.X



Found in





Issue ID




Profiler thread drop-down gets locked when it is left on a transient thread



Reproduction steps:
1. Open the attached "" project
2. Open the Profiler window
3. Enter Play Mode (the game will pause after 1 second)
4. In the Profiler, select any frame
5. In the Module details panel (bottom section of the Profiler), switch to the "Hierarchy" view
6. Select the "AAA.PrintTime" thread
7. Exit Play Mode
8. Clear the Profiler
9. In the Hierarchy window, disable the "SomeThread" GameObject
10. Save the Scene
11. Enter Play Mode
12. In the Profiler, select any frame
13. In the Module details panel, attempt to change the thread

Expected result: The thread can be changed
Actual result: The thread is locked to "AAA.PrintTime" and cannot be changed

Reproducible with: 2019.4.31f1, 2020.3.20f1, 2021.1.0a10
Not reproducible with: 2021.1.0b1, 2021.1.24f1, 2021.2.0b15, 2022.1.0a12

Workaround: Reopen the Profiler window

  1. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.0b1

  2. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.22f1

  3. Resolution Note (fix version 2019.4):

    Fixed in 2019.4.33f1

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