Unreal Engine Issues
Unreal Engine Issues
ConditionalBeginDestroy on ActorComponent does not unregister the component with the world nor cause a warning
UE - Framework - Components - May 6, 2025Calling ConditionalBeginDestroy on an ActorComponent (instead of DestroyComponent) can lead to a crash due to the object not being correctly unregistered. BeginDestroy doesn't unregister tick funct ...
Animating a bone in Persona when additive curves are present, causes exponential translation
UE - Anim - Runtime - May 5, 2025If there is an additive curve present with scalar data, and that scalar data is something like 10,10,10. When you attempt to animate the bone again the translation of the widget with translate expon ...
Fade local light shadow with r.Shadow.DoesFadeUseResolutionScale doesn't work with VSM
UE - Graphics Features - Shadows - May 2, 2025When VSM is enabled, local light shadows don't fade even if r.Shadow.DoesFadeUseResolutionScale is true. Local shadows do fade based on resolution when using regular shadow maps (CSM). ...
Blueprint compiler doesn't always initialize struct consts correctly
UE - Framework - Blueprint Compiler - May 1, 2025Blueprints currently don't support unsigned 64 bit ints, but they do support signed 64 bits. If a Blueprint uses a native struct variable that contains a uint64 property, it incorrectly assigns that ...
Horde Artifact Browser can produce download URLs greater than 8KB
UE - Foundation - Horde - Storage - Apr 29, 2025Using the Horde Artifact browser browse to a folder with a lot of files in a subfolder (for example temporary artifacts that contains Engine/Binaries/Win64, see attached) and use the "Download" butt ...
ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO
UE - Simulation - Physics - Apr 28, 2025As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...
Material color in a Sketchup file is not updated on reimport or Direct Link
TM - Datasmith Exporter - Apr 28, 2025This issue could also be reproduced if the user use the Direct Link Sync or AutoSync feature inside Sketchup, so the user could simple sync and made any adjustment into the color of the material and ...
Fatal error when creating listen server on an instance with a PendingNetGame
UE - Networking - Apr 28, 2025This seems to occur because the PendingNetGame is not destroyed when the instance browses to the new level to start listening. In UEngine::LoadMap, UWorld::SetGameMode will create the game mode, pro ...
Illegal reference to private object when cooking a child level sequence with a time warp track
UE - Anim - Sequencer - Apr 28, 2025Slack: [Link Removed] Cook error: UATHelper: Cooking (Windows): LogSavePackage: Warning: UATHelper: Cooking (Windows): Referencers of MovieSceneTimeWarpSection /Game/ChildSequence.ChildSequence: ...
Fields with Maximum resolution are not affecting all leaves of a Geometry Collection
UE - Simulation - Physics - Destruction - Apr 25, 2025Fields with Maximum resolution are not affecting all leaves of a Geometry Collection on 5.4 and onwards. When calling GetRelevantParticleHandles() a Maximum Resolution field does return all particl ...