Unreal Engine Issues

World Outliner re-orders the hierarchy on load with child actor components

Uninitialized Critical Section exception error in Niagara/VectorVM when gflags application verifier enabled causing potential Memory Corruption

The following is posted from the user who submitted this issue: We noticed a crash happening in a certain area of our game, and the debugger showed it appeared to be attempting to free an invalid m ...

VirtualScoutingInteractor BP does not allow for rotation offset

bUseAsOccluder not taking effect when prepass is disabled

See the licensee discussion for details discussed with [Link Removed] ...

RHILockTexture crash with ray tracing enabled

Looks like it's a resource state tracking assert issue on the resource. ...

Material Instance changes are not propagating to layers.

Please note, during this repro, when I attempted to change the colour of the layer_inst using the colour wheel, it would not save the updated colour. This may be a separate bug. ...

EyeAdaptation node is not working in Decal

It is working correctly in 4.25.4. In 4.26.2, it is not working. It is also not working in UE4main 16382403. ...

Unable to overlay image on top of people occlusion image on ARKit

From licensee:   when the Enable Automatic Camera Overlay is enabled you will get the People Occlusion image overlaid above everything so no objects can be in-front of it. And if you disable Automa ...

Editor freezes up when dragging the scroll bar of the Visual Logger window when a bvlog file isn't loaded

When adjusting the scroll bar in the Visual Logger window, the editor freezes up. There is no callstack provided in the logs. The only way to close the editor at that point is to close it through th ...

Crash assigning static mesh to LightWeightInstanceStaticMeshManager

Crash occurs when the user assigns a static to the Instanced Static Mesh Component in a LightWeightInstanceStaticMeshManager. I couldn't reproduce this with an actor blueprint with an ISMC or HISMC ...