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Fixed in 2022.3.52f1
Fixed in 2022.3.X, 6000.0.X, 7000.0.0a7, future release
Votes
1
Found in
2021.3.40f1
2022.3.36f1
6000.0.9f1
Issue ID
UUM-74904
Regression
No
[Linux][Wayland] Error is thrown and a file is not copied to Assets when dragging and dropping a file in the Project View
Reproduction steps:
1. Create a new 3D project
2. Extract the attached “DragAndDropFileinside.zip” somewhere not in the project directory
3. Drag and drop the “dragAndDropThis.fbx” file to the Project View
Expected result: Dropped file is added to the Assets folder
Actual result: Error “ReleaseButton expects buttonId >= 0” or “Assertion failed“ is thrown and file is not added to the Assets folder
Reproduced with: 2021.3.40f1, 2022.3.36f1, 6000.0.9f1
Reproduced on: Ubuntu 24.04 (Wayland), Ubuntu 22.04 (Wayland)
Not reproduced on: Ubuntu 24.04 (X11), Ubuntu 22.04 (X11), Windows 10
Notes:
- Unity 2021.3 and 2022.3 throws:
Assertion failed
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /home/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:203)
- Unity 6 throws:
ReleaseButton expects buttonId >= 0
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /home/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:219)
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Whit3Rabbitt
Feb 27, 2026 03:49
not fixed but i wish it was