Unreal Engine Issues
Unreal Engine Issues
Material previews in the content browser display the default material checkerboard
UE - Rendering - Architecture - Materials - Nov 16, 2023Occasionally material and material functions previews in the content browser are displayed with the default material checkerboard, perhaps due to shaders not being compiled. UDN users are also expe ...
Access none after making changes to a blueprint that is referenced in the level blueprint
UE - Gameplay - Blueprint - Jul 19, 2017References for an actor blueprint appears to becomes invalid in the level blueprint when making changes to the actor's blueprint. This leads to an access none error. It seems that the actor referenc ...
Importing a New Substance Preset will crash the engine
UE - Foundation - Core - May 13, 2015With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...
Morph Targets Get Overridden By APEX Cloth
UE - Simulation - Physics - Character - Nov 4, 2016Using a material element with Apex cloth will override the morph targets so that they have no effect. This issue didn't exist in 4.10 and seems to have been introduced in 4.11 due to the many optim ...
DefaultEditor.ini dirtied when UpdateSingleSectionOfConfigFile is called for an object containing an array property
UE - CoreTech - Aug 5, 2021Closing an AdvancedPreviewScene results in a call to UAssetViewerSettings::Save to save the preview scene settings, regardless of whether or not anything has been modified. This in turn calls Update ...
Changelists window refreshes excessively
UE - Editor - Workflow Systems - Jan 21, 2022When View Changelists window is opened, users are reporting slowdowns from actions such as moving actors (external actors). ...
Component reference broken in sequencer when component is renamed
UE - Anim - Sequencer - Jul 29, 2016Component reference broken in sequencer when component is renamed ...
Crash on Mac when adding Convex Collision to a mesh converted from a brush
UE - Platform - Apple - Jun 6, 2017This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...
Default values of map variable with instance editable set to true cannot be changed for instances in the level
UE - Gameplay - Blueprint - Feb 6, 2018It appears that the information contained in a map variable that is been marked as instanced editable can not have the information changed from the default values. An instance who values have been c ...
sRGB unchecked leads to textures being washed out in UMG
UE - Editor - UI Systems - Mar 22, 2019When sRGB unchecked in the texture editor it can lead to textures being washed out in UMG ...