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Fixed in 2021.2.X

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



Found in




Issue ID




Package Manager's prompt keeps reappearing to resolve packages



Reproduction steps:
1. Create an empty Project
2. Install the Input system package
3. Open Project settings: Edit > Project Settings (Preferences also works)

Expected result: The Project settings open and can be edited
Actual result: The Project Settings cannot be edited as the Package Manager throws a pop-up "Resolving packages" repeatedly

Reproducible with: 2020.2.5f1, 2021.1.0b5, 2021.1.0b7
Could not test with: 2018.4, 2019.4, 2020.3, 2021.2 (Inconsistent repro)

Comments (8)

  1. OD4

    Feb 16, 2022 15:04

    Hey, me, it bugs and it gets stuck at resolve package. it's running in a vacuum, I see that this bug hasn't been fixed for 3 years. I continue to learn unity or am I testing something else? help me i am french. English is a disaster.....

  2. lucassaldanha

    Apr 22, 2021 08:50

    I forgot to add that I'm running 2020.3.1f1

  3. lucassaldanha

    Apr 22, 2021 08:49

    I have the same problem. Following @devdunk suggestion seems to get rid of the problem.

    Project Settings > Toolchain Management
    Disable: Install toolchain packages automatically

  4. bruceweir1

    Mar 28, 2021 12:25

    Observed in 2020.3.1f1.

    Workaround was to close the (docked) Project Settings window.

  5. ArnaudPlanche

    Mar 25, 2021 16:48

    For me, it keeps happening in 2020.3. Even happens outside of the project settings window, in the "regular" editor.

  6. beargg

    Mar 23, 2021 13:18

    For me the only way to get rid of instant resolving packages is deny write access to manifest file

  7. RayRay26

    Mar 03, 2021 15:34

    Same here. It still does that in Unity 2020.2.6. It's particularly bad if a script manages to change every time Toolchain does that. For me, Burst compiler kept compiling itself and made my editor unusable until I wiped my manifest.json.

  8. DevDunk

    Mar 03, 2021 13:11

    For me this happens when I enable "Install toolchain packages automatically" and have the project settings open.
    Disabling this is a workaround

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