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4.19.1 Move & Scale widgets not rendering in Lit mode

I recently upgraded a 4.18.3 project to 4.19.1, and the Move & Scale widgets are not rendering correctly in the editor in Lit & Unlit modes.

You can see the widget rendering on top of the light icon here. alt text

Widget is fine if you switch to Wireframe mode: alt text

Rotate widget edges appear, but the center does not: alt text

Project settings: - this is a VR project, with target platform set to Mobile and 3d/2d Scalable, but is not a mobile project - Uses Forward Rendering and Instanced Stereo.

Steps taken based on older questions with this problem (https://answers.unrealengine.com/questions/30353/move-scale-rotate.html):

  • I'm not in Game mode

  • mobile preview is not on (preview set to Shader Model 5)

  • mobile HDR is off

  • Show Transform Widget is On

  • Deleting the Saved and Intermediate folders doesn't fix the problem

  • I've reset all of the settings I can think of

  • I've deleted the project's DerivedDataCache and the one for 4.18 and 4.19 in app data / user to force rebuild shaders

This issue occurs in all project maps, even blank maps with no lighting objects, and it occurs on two different machines connected to the project via source control.

I can manipulate objects by going into wireframe mode, but having to switch between Lit and Wireframe constantly is making me pull my hair out :)

Update: I rolled my project back to 4.18.3 and the widget appears normally. If I update the project again (via a copy) to 4.19.1 the widgets break again.

Update 2: If I start a blank 4.18.3 project with the same basic settings as mine and convert to 4.19.1 it's fine. No clue what is broken in my project.

Product Version: UE 4.19
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asked Apr 27 '18 at 08:09 PM in Bug Reports

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avatar image Jeff A ♦♦ STAFF Apr 30 '18 at 01:19 PM


We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.



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1 answer: sort voted first

Found the culprit

removing this line in DefaultEngine.ini fixed it


I believe this setting was previously a part of the "Virtual Reality Best Practices" example .ini


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answered Apr 30 '18 at 07:30 PM

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avatar image daveinhampton Jun 11 '19 at 08:32 PM

Lifesaver. Have googled this many times and would arbitrarily blow out half my defaultengine.ini until it was manageable. Finally this is the exact solution.

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