Image stabilization problems after resuming the app about openxr-unity-mixedreality-samples HOT 8 CLOSED

Update: I just upgraded to Holographic OS 20348.1432 and the issue still occurs, however it sometimes takes a couple of background and resume cycles for it to trigger.

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can confirm this has always happened to me with OpenXR. Reproducible with everything updated as of 2021-11-08:
Unity 2021.1.28f1
MRTK 2.7.3
Mixed Reality OpenXR plugin 1.1.2

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I too have recently upgraded an app to Unity 2020.3.19f1 and OpenXR. My customer is now complaining that the app is:

"jumping around a lot (unstable)"

and also,

"I have noticed that if you turn off the device without closing the app when you open the device again and try opening the app it doesn't work."

By turning off they mean pressing the device power button.

from openxr-unity-mixedreality-samples.

Update on this issue, the team is still working together with Unity team on this scenario of turning HL2 off and then turning on to resume an openxr unity app. We are peeling the onion here and getting the scenario better. We will keep this thread updated when we roll out some of our fixes. we have not yet land the last fixes yet.

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@WikkidEdd @JPhilC, @mihaits , @AMollis,
OpenXR team recently released 110 preview runtime that fixed this issue. Please try it out and let us know your experience.

Please reference to this link for instructions: #53 (comment)

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spent some time testing
OpenXR runtime 109:
Bug: when resuming the app it results in broken stabilization on mostly the lower part of the screens like I posted here. exiting and trying to resume again right after results in indefinitely spinning white balls. In rare cases I get the spinning balls first time. seems #53 related

• I can't reproduce by just exiting and resuming the app right after. might have happened once in a few dozen resumes but not sure
• I can sometimes reproduce it when resuming if the device was put to sleep (by power button or timeout) after starting the app.

OpenXR runtime 110 preview:

• couldn't reproduce!

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@mihaits thanks for trying this out. Sounds the runtime 110 preview fixed the issue you were reporting. We are also looking forward for this 110 runtime to officially released in a few weeks.

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The 110 openxr runtime on HoloLens 2 has been released to 100% to all users. Make sure you've received it in from Store updates.

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