Unreal Engine Issues
Unreal Engine Issues
Rewind debugger would crash when recording a character using Pose search
UE - Anim - Gameplay - Aug 8, 2025Our character is using the Pose search setup from GameAnimation content example. The architecture of the system is most the same with some new function that account for some input difference and sp ...
AnimToTexture vertex animation stutters on looping frame
UE - Anim - Gameplay - Aug 8, 2025The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...
Copying Gameplay Tag Queries uses paths of instanced objects.
UE - Gameplay - Gameplay Ability System - Aug 8, 2025Copying Gameplay Tag Queries (FGameplayTagQuery) in the editor uses transient instanced object paths, so will no longer be valid when the data is unloaded, making it difficult to save or share queri ...
Using ForceCustom Mode causes TPose for single frame in Level Sequencer
UE - Anim - Sequencer - Aug 8, 2025We are seeing TPose issues when swapping between EDL shots on skeletal mesh actors. We have spawned skeletal mesh actors added to a Level sequence that are set to use an animation blue prints which ...
DOF - TAA pass ghosting when using r.DOF.TAA.CoCBilateralFilterStrength
UE - Graphics Features - Aug 7, 2025In Unreal 5.6, there's a new CVar: r.DOF.TAA.CoCBilateralFilterStrength, which should help with ghosting artifacts introduced by TAA in DOF passes. However, it doesn't work as expected since many gh ...
Blurry RVTs after camera jump
UE - Graphics Features - Aug 7, 2025When using Runtime Virtual Textures (RVT) on landscape in UE 5.5+, nearby tiles may remain blurry (low-resolution mips) after launching PIE or making large camera jumps (e.g. via bookmarks or viewpo ...
[AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh
UE - AI - Navigation - Aug 6, 2025When we changed the resolution in the config, if you open a map and then look at the navmesh, the resolution it shows is the updated one from the config (assuming you haven't overridden anything) ...
GPU Crash from out of memory read/writes in Lumen when using non-power-of-2 TracingOctahedronResolution
UE - Graphics Features - Lumen - Aug 6, 2025When the r.Lumen.ScreenProbeGather.TracingOctahedronResolution is not a power of 2 or LumenFinalGatherQuality in a Post Processing Volume is set to a value such that the TracingOctahedronResolution ...
FObjectReferenceCache's ResolveObjectReferenceHandleInternal can return pointers to garbage objects
UE - Networking - Aug 6, 2025A FindObjectFast call may return a pointer to an object marked as garbage. The use of that function in FObjectReferenceCache::ResolveObjectReferenceHandleInternal as well as FNetGUIDCache::GetObject ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...