Unreal Engine Issues

Memory leak in Test build when moving ISM with UpdateInstanceTransform

This leak occurs in Test builds, but not in Development builds. Updating InstancedStaticMesh with UpdateInstancedTransform every frame causes a memory leak. This screenshot was taken using Mempr ...

Bridge plugin causing crash when right-clicking content browser on Mac

Right clicking in the content browser causes a crash with the Quixel Bridge plugin enabled.  This issue is occurring in Binary //UE5/Release-5.2-Preview-2 @ CL 24887336 This issue is not occurring ...

'Quit Editor' Blueprint Node Crashes Editor

Using the Quit Editor blueprint node crashes the editor when used, instead of exiting cleanly. Closing the Content Browser prevents the crash from occurring, however. ...

Assert crash when playing Groom Cache with Card Mesh LOD

Playing a Guides Groom Cache while Card Mesh LOD (Guide-Based) is active causes an assert in RunHairStrandsInterpolation_Cards when the renderer switches to Card LOD. Assert location:Plugins/Runtim ...

Cannot save actor after actor component modification, Graph is linked to private object(s) in an external package

Cannot save actor after actor component modification. The user gets the error Graph is linked to private object(s) in an external package ...

When having two viewport panes open in editor, and piloting/unpiloting a camera actor in one pane, will cause the other pane to reset viewport camera orientation.

Piloting and "Un-piloting" a camera Actor in viewport pane causes other viewport panes to reset its view orientation upon "Un-piloting" of Camera Actor. ...

Download of Starter pack sometimes fails

Linked Anim Graph in Post Process Anim BP does NOT work after remove ControlRig Track

After remove control rig track from the skeletal mesh, Linked Anim Graph in Post Process Anim BP of the SK Mesh does NOT work. This issue can be fixed by the following code.// add #include "Anima ...

Changes in Scale are not replicated on the Client through RPCs

Changes in Scale are not replicated on the Client through RPCs. Location and Rotation are replicated as expected. Reproduced in 4.7.6 binary and Main (//depot/UE4/Promotable-CL-2522625) ...

Editor crash in HairStrandsMeshProjection.cpp when spawning actor with Groom Component bound to skeletal mesh

The editor crashes with an assertion failure when placing a Blueprint actor that contains a Groom Component bound to a MetaHuman skeletal mesh. The crash occurs in AddHairStrandInitMeshSamplesPass d ...