Unreal Engine Issues
Unreal Engine Issues
Spline don't deform landscapes in certain setups
UE - LD & Modeling - Terrain - Landscape - Dec 26, 2019The splines do not deform the landscape when the path is made with a straight spline. When you move a spline point to bend the road it will deform the landscape, but the deformation accuracy seems t ...
Able to scale Math Hall graphs down to 0 which distorts them in ContentExamples
Docs - Samples - Sep 19, 2016All of the graphs in the Math_Hall can be scaled down to 0 which causes the graphs to appear distorted. These should probably be clamped as 1 since scaling them down to 0 does not show any useful in ...
Enabling Substrate causes MaterialGraph node previews to render black
UE - Graphics Features - Substrate - Jul 16, 2025Node previews in MaterialGraph with Substrate enabled render solid black in 5.6. The latest 5.5 engine does render previews correct with substrate enabled. ...
Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation
UE - Gameplay - Dec 12, 2016If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...
IOS 11 Freezes When Generating Particles Using SphereMask
UE - Platform - Mobile - Nov 16, 2018When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...
Poor performance when Player Collision view mode active in City Sample
UE - Simulation - Debug Tools - Apr 2, 2024The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...
Possible crash reimporting destructible assets
UE - Simulation - Physics - Destruction - Jan 20, 2017This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...
Unable to import animation data from fbx with bone names starting with a number
UE - Anim - Rigging - Control Rig - Jul 31, 2023When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...
Console command “showflag.rendering 0” causes crash
UE - Rendering Architecture - Jul 10, 2025A crash occurs when the console command “showflag.rendering 0” is executed. This does not occur in UE5.5, so it is a iassue in UE5.6. ...
The default Direct Link texture path is no longer set in Twinotion settings
TM - Interoperability - Jun 27, 2024Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...