Unreal Engine Issues
Unreal Engine Issues
Foot Placement Node does not account for Mesh and Actor Scale
UE - Anim - Runtime - Anim Blueprints - Jun 17, 2025When scaling down the character in the Game Animation Sample to 0.1 (Actor Scale or Mesh Scale), the lower body becomes crouches, not taking into account the difference in pelvis and foot difference ...
Nodes to the right of an Abort Both node in a Behavior Tree appears to still receive a tick
UE - AI - BehaviorTree - Feb 6, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Behavior Tree appears to tick nodes to the right of an aborted node that is set to abort Both. Those nodes are not executed, but visuall ...
Applied external forces to vehicles may be nullified by sleeping
UE - Simulation - Core - Jan 12, 2024If Entering sleeping state and applying external force are same time, the external force is nullified and the vehicle stops immediately. p.Chaos.Solver.SleepEnabled 0 or __ setting SleepLinearVel ...
Blueprint Instanced Variables Data Erased
UE - Framework - Blueprint - Jan 17, 2024Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...
Building lighting fails on Linux without Internet connection
UE - Platform - Linux - Jul 6, 2015Attempting to build lighting will stay at 0% and eventually fail if there is not internet connection for the computer. ...
Bugs with Material Instances and Landscape Grass
UE - World Creation - Worldbuilding Tools - Foliage - Apr 14, 2016Need to fix the Bug: Parameters that linked to LandscapeGrassOutput in master material instance do not updates automaticaly in viewport. After parameters change you are have to modify any of your us ...
Sound Cues report incorrect MaxDistance when using SoundNodeParamCrossFade
UE - Audio - Apr 23, 2015Short duration sounds (< 1.0 seconds) trigger a check on max distances by sound nodes in a sound cue. Sound cues which use SoundNodeParamCrossFade are reporting 1.0 as the max distance and thus resu ...
ApplyAnimationCurvesToComponent doesn't propagate everything to slaves
UE - Anim - Rigging - Aug 20, 2019In USkeletalMeshComponent::ApplyAnimationCurvesToComponent, while InMaterialParameterCurves and InAnimationMorphCurves are independent of one another, if either of them is empty neither is passed on ...
Crash when using automated groom import
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...
Actors set to Spawnable are not trackable by a camera once they've spawned
UE - Anim - Sequencer - Jan 18, 2023Tested in //UE5/Release-5.0 CL20979098 this is a regression. Attachment is of UE 5.0.3. Actors set to Spawnable are not trackable by a camera once they've spawned. The camera will track the actor w ...