Unreal Engine Issues
Unreal Engine Issues
Pasting a component binding onto a Spawnable will not set up parenting correctly
UE - Anim - Sequencer - Aug 6, 2021It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...
No sound plays when using Built-In Spatialization or Simple ITD plugins
UE - Audio - Spatialization - Nov 10, 2021No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...
Infrequent WaitingTask->IsCompleted crash related to FNiagaraSubmixListener closing QAGame -game
UE - Audio - Submixes - Jan 5, 2022Infrequent WaitingTask->IsCompleted crash related to FNiagaraSubmixListener closing QAGame -game Unsure if related to [Link Removed] it was spawned from a group of oodle crashes and this is distinc ...
Base Pose Type Not Retained When Retargeting Animation with Additive Anim Type
UE - Anim - Rigging - Retargeting - Apr 22, 2022Occurs 3/3 Times Base pose animation is not retained when retargeting animation with an additive anim type. ...
Ensure condition failed: bPlayingBackwards ? (CurrentPosition <= PreviousPosition) : (CurrentPosition >= PreviousPosition)
UE - Anim - Sequencer - May 10, 2022The problem is caused by the animation sequence playback position being set out of range from Sequencer. The call stack is : UE4Editor-AnimGraphRuntime.dll!FAnimSequencerInstanceProxy::UpdateAnim ...
Dynamic (transient) material instance assignment lost if object spawnable
UE - Anim - Sequencer - Jun 21, 2024Material Instance Dynamic assigned to Spawnable objects with Editor Utility Widget get reverted when hit the Save button in Sequencer. This appears to come from the Material Instance Dynamic not be ...
A sampling result of DistanceFieldAOHistory is shifted to a wrong position.
UE - Graphics Features - Aug 21, 2024DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...
Mesh Paint mode's Texture Paint has obvious artifact with UV seams
UE - Rendering Architecture - Oct 8, 2024Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...
MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel
UE - World Creation - Worldbuilding Tools - Feb 21, 2025The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...
TInstancedStruct used in native actor class loses reference to Instanced UObject after BP recompilation
UE - Framework - Blueprint Compiler - Jun 25, 2025When a TInstancedStruct contains a UObject marked with EditInlineNew and DefaultToInstanced, the reference is lost after compiling the Blueprint but only when the struct is part of a native Actor cl ...