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[macOS] Could not load native macOS plugin linked to libmono.0.dylib in Unity 2017.1

Editor - Other


When testing the upgrade to Unity 2017.1 from Unity 5.5.3p3, a native macOS plugin ( has stopped working and throws an error when accessed at runtime.

Steps to reproduce:
1. Open User's attached project ("")
2. Play

Expected behavior: webview sample appears.
Actual behavior: no webview preview, Errors in the Console: Library not loaded: @executable_path/../Frameworks/MonoEmbedRuntime/osx/libmono.0.dylib

Reproduced with: 2017.2.0b3, 2017.1.0f3.
Not reproduced with: 5.6.2p3.

Note: Plugin works as expected on Windows.

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