Unreal Engine Issues

[CrashReport] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [kismetreinstanceutilities.cpp:1880]

This is a somewhat common crash that has occurred throughout the 4.17 release. Users have not provided any description of their actions when the crash occurred. The callstack is similar to some ol ...

New Physics Asset window reads "Joints" instead of "Constraint"

In the New Physics Asset window, there's a setting that reads Create Joints. The term "Joints" doesn't seem to be used anywhere else. It should read "Constraints" instead. ...

Material static switch fails to retrieve correct value

WorldGridMaterial gets added as Element 0 when importing LOD model

When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...

Monitor content override the "Map Directory To" option if the source directory start with a mount point

If there is a valid specified "Map Directory To" we should use it instead of overriding it with the source folder mount point. ...

Crash when modifying InstancedStaticMesh transform in Blueprint Editor

InstancedStaticMesh component element mismatch between in-level and BP editor can cause crash when modifying transform in BP editor. This can happen when a user modified transform in-level actor's I ...

VREditor: Crash in VR Mode when interacting with motion controller menu

The editor is crashing when interacting with the VR Mode motion controller menu. So far this has only been tested on Oculus. I got this to occur in a blank project as well when in VR Mode, by movin ...

[CrashReport] UE4Editor_LevelEditor!FMulticastDelegateBase<FWeakObjectPtr>::RemoveAll() [multicastdelegatebase.h:81]

This is a trending crash in 4.18.0. One case of this callstack occurred in 4.17.1, but then numerous have occurred in 4.18. Users have not provided any descriptions of their actions when the crash ...

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor. This doesn't happen for object with standard collision or object attached to non-physics actors. The ...

Crash upon editing a GameplayTagQuery inside of a DataAsset

When a GameplayTagQuery variable is edited from inside of a DataAsset, the editor crashes when the changes are saved. This could be related to a bug that was fixed previously: [Link Removed] Regres ...