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By Design
Votes
0
Found in
2018.4
2019.2.9f1
2020.1
Issue ID
1192726
Regression
No
Unity Editor Freeze after reloading AppDomain
How to reproduce:
1. Open attached project ("RealmTestForUnityStandalone.zip")
2. Open SampleScene scene
3. Enter Play mode
4. Exit Play mode
5. Enter Play mode
Expected result: Editor behaves same as the first time entered Play mode
Actual result: Editor freezes
Reproducible with: 2018.4.12f1, 2019.2.12f1, 2019.3.0b10, 2020.1.0a12
Not reproducible with: 2017.4.34f1 (Async functions not supported)
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Resolution Note:
This is a problem with 3rd party framework.
Unity is trying to unload the domain, but is blocked by the library to unload. So Unity freezes waiting.
The user reported it to the 3rd party issue tracker:
https://github.com/realm/realm-dotnet/issues/141
There's a forum post here discussing the issue:
https://forum.unity.com/threads/assembly-reload-freezing-problem.757214/