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By Design
Votes
0
Found in
2018.4
2019.4
2019.4.12f1
2020.2
2021.1
2021.2
Issue ID
1297508
Regression
No
Editor throws assembly reference error when custom assembly is used
How to reproduce:
1. Open the attached "SmartTool.zip" project
2. Open the "SmartTool" Scene
Expected result: Custom assembly is loaded succesfully
Actual result: Editor throws an assembly reference error
Reproducible with: 2018.4.31f1. 2019.4.18f1. 2020.2.2f1, 2021.1.2f1, 2021.2.0a2
Errors:
Assembly 'Assets/Scripts/SmartToolCommunication.dll' will not be loaded due to errors:
Unable to resolve reference 'PresentationFramework'. Is the assembly missing or incompatible with the current platform?
Reference validation can be disabled in the Plugin Inspector.
Unable to resolve reference 'Windows'. Is the assembly missing or incompatible with the current platform?
Reference validation can be disabled in the Plugin Inspector.
Unable to resolve reference 'System.Runtime.WindowsRuntime'. Is the assembly missing or incompatible with the current platform?
Reference validation can be disabled in the Plugin Inspector.
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Resolution Note:
This is by design: Unity is a cross platform product. Its runtime does not support Windows-only dependency by default.
We support WinRT dependencies within the UWP player, but can't load them in the editor.
In this case we suggest:
- remove dependency on PresentationFramework (we don't support it wether in editor or standalone player)
- if references to WinRT types are actually relevant, change the dll settings to make it only load in UWP platform and use conditional compilation to only use it when running in the UWP player.