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Fixed in 1.4.0 & 2.0.0
Votes
4
Found in [Package]
1.3.0
Issue ID
1115960
Regression
No
Text Mesh Pro components block Prefab isolation mode from opening in Play Mode
If you attempt to edit a prefab in with a Text Mesh Pro UI component attached while in Play Mode, you'll get the following warning:
Prefab Mode in Play Mode was blocked by the script 'TextMeshProUGUI' to prevent the script accidentally affecting Play Mode. See the documentation for [ExecuteInEditMode] and [ExecuteAlways] for info on how to make scripts compatible with Prefab Mode during Play Mode.
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
1. Install Unity
2. Open the attached project
3. Make sure the Scene view is set to 3D
4. Enter Play Mode
5. Navigate to Assets > LogContent.prefab in the Project Browser
6. Attempt to edit LogContent.prefab in Isolation mode
Expected Result:
The prefab can be edited while in play mode.
Actual Result:
Isolation mode is blocked from opening because of the Text Mesh component attached to the prefab. A warning is shown in the console.
Tested on Windows.
Tested with Text Mesh Pro version 1.3.0
Occurs on 2019.1.0a14, 2019.2.0a1, 2018.3.0f2
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Resolution Note (fix version 1.4.0 & 2.0.0):
Release version 1.4.0 and 2.0.0 of the TMP package for Unity 2018.3 and up now use the [ExecuteAlways] attribute instead of the [ExecuteInEditoMode] attribute