Unreal Engine Issues
Unreal Engine Issues
Window to select Skeletal Mesh does not pop up when editing a new IK asset
UE - Anim - Rigging - Retargeting - Apr 26, 2023When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...
Rendering sequence with livelink data has issues with smooth enigne offset
UE - Virtual Production - IO - LiveLink - Apr 26, 2023Crash when calling UPoseableMeshComponent::CopyPoseFromSkeletalComponent() from Actor's Tick while unregistering
UE - Anim - Runtime - Apr 26, 2023Under certain conditions, it appears that the function UPoseableMeshComponent::CopyPoseFromSkeletalComponent may crash because the BoneSpaceTransforms obtained from the source component are empty, p ...
RPCs can still be called on torn off actors
UE - Networking - Apr 25, 2023Because UNetDriver::ProcessRemoteFunction does not check if the actor has been torn off, it's possible for the server to send a RPC for a torn off actor if it still exists on the server and client. ...
Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child state.
UE - AI - StateTree - Apr 25, 2023This is a regression. Tested in //UE5/Release-5.1 CL2390901 The crash occurred 3/5 times. Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child ...
Actor corruption due to Hierarchy broken after load
UE - World Creation - Worldbuilding Tools - World Partition - Apr 25, 2023We recently hit a situation where some actors would suddenly teleport across the map when they were modified in the editor. We figured out that the AttachParent of some actors got reset on editor l ...
USourceControlHelpers::GetFilesInDepotAtPath is broken
UE - Editor - Framework - Source Control - Apr 24, 2023The p4 files command is used to grab the list of depot files. This does not have a client path, but the parse records function called in FPerfroceGetFileListWorker::Execute (ParseRecordSetForState) ...
Chaos Cloth Self Collisions Spatial is slow when Tris are much smaller than thickness
UE - Simulation - Physics - Character - Apr 21, 2023This came via a UDN. Very small triangles can generate very small lods, which make query time really slow if your self collision thickness is significantly larger. You will do X^3 checks per query ...
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Mobile - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Race condition in cached mesh draw commands removal.
UE - Rendering Architecture - RHI - Apr 21, 2023A wait was removed from UpdateAllPrimitivesSceneInfos that introduced a race condition with mesh draw command caching. ...