Unreal Engine Issues
Unreal Engine Issues
A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast it immediately disappears by hitting the world limits
UE - Simulation - Physics - Destruction - Jan 20, 2025A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast ...
Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)
UE - Gameplay - Blueprint - Apr 20, 2018A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...
If Material is not overridden, Material will not be exported correctly.
UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 4, 2021This is because FFbxExporter::ExportStaticMeshToFbx() does not correctly determine the OverrideMaterials. Therefore, the following code will not pass.else { Material = StaticMesh->GetMaterial(P ...
ForceActorRelevantNextUpdate will only force an update on the first connection
UE - Networking - Mar 21, 2019The ForceActorRelevantNextUpdate will only trigger an update on the first connection in the list. Note that the ForceActorRelevantNextUpdate does not work on dynamic actors since their ActorChannel ...
Live: Copy & Pasting ForEachLoops will cause them to retain information from the original
UE - Gameplay - Blueprint - Nov 3, 2014If the user copies and then pastes a For Each Loop the loop will retain previous data such as the array type and will cause compiling errors. ...
On listen server, pawn vibrates back and forth
UE - Gameplay - Feb 10, 2016A developer sent us a sample project and said that when you run on a listen server and move the player character around, the character model is all blurry as it appears the character is vibrating ba ...
Deleting struct in Windows Explorer leaves dirty traces in BPs.
UE - Gameplay - Blueprint - Mar 3, 2020UND: https://udn.unrealengine.com/questions/559972/invalid-map-in-blueprint-unable-to-be-deleted-urge.html If you delete a struct in Windows Explorer manually, then open a project/BP, it will ask t ...
A C++ project with the name, "GearVR", will not build
UE - Foundation - Core - Jul 28, 2015A C++ project with the name, "GearVR", will not build. This does not occur with content-only projects named GearVR. In 4.7.6 and 4.8.2, it fails during Compiling and an error message appears: Runni ...
Importing a t3d filetype will cause a crash
UE - Editor - Content Pipeline - Import and Export - Jun 15, 2016!!! Changes between version 4.12 and 4.13 for importing these !!! 4.12 There is a crash when importing any t3d (legacy) file through File > Import Into Level using the t3d file option. 4.13 The ...
When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted
UE - Gameplay - Gameplay Cameras - Feb 27, 2025When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted. The licensee re ...