Unreal 4.20 preview 5 can not deploy ar template correctly

Development Platform & Builds XR Development
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1

After deploy ar template it quit app directly and there are no error message.

  1. pack code and deploy the app to ipad
  2. after compile shader it copy program to ipad
  3. when finish it should start the app which is not

4.19 is ok, but 4.20 fails

2

Running AutomationTool…
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“/Users/zhonglingxiao/Tony/Project/Unreal Engine/TNT420/Binaries/IOS/TNT420.target”.**

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