Developing a HMDplugin with 4.19 blck screen

Development Platform & Builds XR Development
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1

I’m developing an HMD plugin with 4.19。As long as I use VR preview mode, the screen will go black。

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Not just VR Windows。

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2

The same code worked well in 4.18。my English is bad。haha，Please forgive me。

3

I don’t know why the same code for 4.19 and 4.18 is so different, what can affect all Windows getting black