Unreal Engine Issues

Expandable Area does not respect scrollbox boundaries unless set to fill

There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...

Crash Occurs When Actors are Attached Across Persistent and Sublevels When Levels are Saved

Can attach actors to each other through the use of sequencer even though actors are in different levels which leads to crashing when saving and changing levels F3DAttachTrackEditor::IsActorPickabl ...

[Rhino Reimport] - Scaling an object inside rhino and re-importing in Unreal dup staticmesh actors

UWorld::RemoveFromWorld does not check Pointer Reference for null before use

The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...

Possible incorrect pointer manipulation in BeginPackageCacheForCookedPlatformData

In UCookOnTheFlyServer::BeginPackageCacheForCookedPlatformData(), there is a pointer to int32 called CurrentAsyncCache that is used as an index. It's value is dereferenced before it is checked, but ...

Sequencer spawned blueprint functions/variables not firing with correct values on begin play

Created in relation to https://udn.unrealengine.com/questions/405764/is-it-possible-to-set-sequencer-spawnables-propert.html Issue relates to behavior of the Event BeginPlay and the propagation of ...

Blueprint compilation error regarding actor component

Blueprint actor has an error in the event dispatcher node. The error states that the node is out of date and needs to be refreshed. Pressing the compile button will removed the error but when the pr ...

Set relative location in construction script does not work when value is [0, 0, 0]

The Set relative location in construction script does not work when the value is [0, 0, 0] when used it does not set the location back when the specified component is moved, it does work for any val ...

Box Collision component with physics interacts with the player capsule when set to Overlap only

Box Collision component with physics interacts with the player capsule when set to Overlap only. This only seems to happen when both the Box Collision and the player capsule are set to Generate Ove ...

Subsurface materials display dark lines in the middle of the viewport

AMD gpus are displaying an issue with subsurface materials. Dark lines appear on the material that run through the middle of the viewport, (See screenshot attached). This was seen on AMD drivers 17. ...