Unreal Engine Issues
Unreal Engine Issues
"ERR: Transient text cannot be serialized" after converting to 4.8
UE - Foundation - Core - Jul 3, 2015"ERR: Transient text cannot be serialized" after converting to 4.8. Many users are seeing them in the logs. Example Project: [Link Removed] ...
Eye Adaptation post process volumes make the viewport extremely bright
UE - Graphics Features - Jan 3, 2017In 4.14 when entering the volume the screen brightens which is expected. The problem is that in 4.15 it brightens more. So much so that some static meshes are rendered almost completely white. I ...
D3D Crash applying Built Lighting in a level containing Static Foliage
UE - World Creation - Worldbuilding Tools - Foliage - Jun 20, 2017Editor session crashes applying Built Lighting in a level containing Static Foliage. Note: this crash does not occur if the Instanced Foliage Mesh has mobility set to "Movable" within the Foliage D ...
HISM: Calling UpdateInstanceTransform with a transform only containing rotation or scale would not update the transform at runtime or cooked
UE - World Creation - Worldbuilding Tools - Foliage - Aug 29, 2018Calling UpdateInstanceTransform on a HISMC with a transform only containing rotation or scale would not update the transform at runtime or cooked. ...
[CAD Import] Metadata are totally different when loading an IFC file through TechSoft.
UE - Editor - Open File Formats - CAD - Apr 22, 2024Crash can happen in FDetailLayoutBuilderImpl::Tick() when a category of UStruct member includes the "|" symbol and member is Tickable.
UE - Editor - Verse Class Editor - Dec 3, 2024A crash can occur when a member of a UStruct has a category with the "|" symbol and is trying to be displayed inside by the FDetailLayoutBuilderImpl class. This happens when there is a UStruct memb ...
Anisotropy of material looks different when set via a scalar parameter node connected to the material node
UE - Rendering - Architecture - Materials - Apr 15, 2025The Anisotropy of a material looks different when set on the material output node vs when set via a scalar parameter node connected to the material node ...
Some .tmi files from previous versions cannot be used in TM2025.2
TM - Core - Sep 30, 2025Some .tmi files appear, while others don’t.The customer mainly uses Blender and SketchUp.On the customer side, even the TM asset “Metal workout desk DCL” has the same issue.On my (Syuya Mukai) side, I ...
Spline Mesh With Negative Start and End Scale Has Broken Lightmap
Tools - Apr 25, 2017When you have a negative start and end Scale for a spline mesh the resulting lightmap that gets baked for the mesh will be incorrect. ...
Adding variables to components reports incorrect owner
UE - Gameplay - Aug 26, 2015Components that have variables added to them cause the component to register the wrong blueprint owner. ...