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Fixed in Unity 2018.2



Found in


Issue ID




Unity Editor crashes when restarting to change graphics API from DirectX 11 to OpenGL

Graphics - General



Priority: 7Not yet prioritized for a release


Severity: 1Crash, freeze, data loss, work stops

How to reproduce:
1. Open Unity
2. Load user-submitted project (
3. Open 'Character.unity' scene
4. Go to Edit->Project Settings->Player
5. Change graphics APIs between OpenGL and DirectX 11 (usually problem is reproduced in two attempts)

Expected result: Graphics APIs change without problems.
Actual result: Unity crashes while trying to switch to OpenGL from DirectX 11

* Having additional available graphics APIs eliminates the problem.
* Changing between other APIs doesn't reproduce the problem.

Reproducible with - 5.6.4p4, 2017.1.2p4, 2017.2.1p1, 2017.3.0f2, 2018.1.0a7

Verified in: 2018.2.0a6

Reproduced on:
* PC
* Windows 10 64bit
* Intel(R) Core(TM) i5-6400 CPU @ 2.7Ghz
* 16GB RAM
* NVIDIA GeForce GTX 1050

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