Unreal Engine Issues

D3D11 error when opening a level after version change

After converting from 4.7.6 to 4.9.1 specific maps won't open and will crash the editor with a D3D11 error. This has been reported by multiple users but has not been reproduced internally. CrashRe ...

When spawning a large number of widget components they are not visible until the camera moves or the component is selected in the world outliner

When adding multiple Widget Components (at runtime) to the scene it appears that they do not render until the camera moves or they are selected in the world outliner ...

'Render static' flag crashes editor in OpenGL ES3.1 shader complexity view mode

https://udn.unrealengine.com/questions/563316/render-static-flag-crashes-editor-in-opengl-es31-s.html ...

Cull Distance Volumes do not effect Blueprints or Skeletal Mesh Actors

CHANGELIST: 2181118 BRANCH: UE4 https://udn.unrealengine.com/questions/166371/cull-distance-volume-bug.html DESCRIPTION: Cull distance volumes don't seem to cull blueprints or meshes inside a bluep ...

The 'Add Movement Input' node no longer functions on a Default Pawn

The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...

Failed to compile C++ Code project, for iOS/tvOS in Development, in Xcode 8.3 beta 1

Project fails to build for iOS/tvOS due to:error: non-portable path to file errors. ...

Landscape material doesn't show correctly on ES3.1 if Landscape layer blend was implemented by using in Material function

Open the project attached to see the issue ...

ChaosCacheManager is not reproducing Trailing Events

ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...

A non-support tonemap ps shader permutation is choosed while rendering movie render queue on mobile preview mode.

Datasmith - Lights imported with incorrect transforms

Reported in SF [Link Removed] In Twinmotion 2025.1.1, lights imported through Datasmith appear with incorrect transforms. Lights will appear rotated 90 degrees about the Y axis with an offset. Test ...