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RM1181
Inspiring
March 14, 2023
Solved

Widget Input Bug - UE5.1 with Meta XR Plugin v1.81.0

As mentioned in the subject, I'm using UE5.1 with the Meta XR plugin released Feb 7, 2023 (In Unreal, the plugin's version is shown as v1.81.0, but on the download page it is called v49?).

In Unreal's VR Template project, the left controller menu button brings up a Widget with a few buttons on it.  With just the default OpenXR plugin enabled, this Widget menu works as expected.  After enabling the Meta XR plugin, this menu will open, but as soon as it is "clicked" via either controller trigger, all subsequent input is lost as if all input mappings have been removed.  In other words, after you click one of the menu buttons, the menu cursor freezes and you can no longer interact with the menu or even close it.

This behavior happens in both VR Preview and with an installed stand-alone APK.  Disabling the Meta XR plugin causes the menu to behave as expected again.

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    puzzabugAnswer
    Inspiring
    March 23, 2023

    This is a known bug in the advanced input system, and is being addressed by epic

    View in thread

    3 replies

    RM1181Author
    Inspiring
    March 21, 2023

    Update: Checked this with v50 of the plugin, and the issue is still there.

    puzzabugAnswer
    Inspiring
    March 23, 2023

    This is a known bug in the advanced input system, and is being addressed by epic

    RM1181Author
    Inspiring
    March 23, 2023

    Ah, you are right!  I assumed the issue was with the plugin.  You're response prompted me to update Unreal to 5.1.1, and my menus are working again.  Thank you for taking to time to respond!

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