Unreal Engine Issues
Unreal Engine Issues
GAS: GameplayAttribute picker incorrectly also lists AttributeSets' non-attribute properties
UE - Gameplay - Gameplay Ability System - Aug 21, 2025Context: FGameplayAttribute's details customization lets designers pick any attribute property from any UAttributeSet class. Problem: This currently displays all properties of UAttributeSet class ...
[PCG] Create PCG Asset from Level crashes on loaded sub-level exports
UE - World Creation - Procedural Tools - PCG Workflow - Aug 21, 2025PCG Level Asset export doesn't support exporting a level while it is loaded as a sub-level. We should warn the user instead of crashing. ...
FMediaFoundationMovieStreamer::Init() returns true even if the movie could not open.
UE - Media Framework - Aug 20, 2025Bake to Control Rig blueprint function does not work on tracks in nested sequences in Editor
UE - Anim - Sequencer - Aug 20, 2025The Bake to Control Rig node only works with single-layered level sequences. Studios using a nested level sequence setup cannot use this function. [Link Removed] ...
Crash when a Deferred Decal (Translucent) base material has a Nanite Override (Masked Surface) Material and the mesh has Nanite + Ray Tracing enabled.
UE - Graphics Features - Ray Tracing - Aug 14, 2025A crash occurs when Nanite override material instance is used in a project with Ray tracing enabled where: 1 The Material assigned to the static mesh uses Deferred Decal / Translucent and the Nani ...
Rect Light not rendered correctly when using Virtual Texture as source texture
UE - Graphics Features - Aug 14, 2025Licensees have reported that this issue occurs when rendering from the command line: Rectangular lights with virtual textures do not render when you run the "Render (Remote)" button in the Editor, a ...
Weight blended layers can leave ghost traces when cleared
UE - Graphics Tools - Terrain - Landscape - Aug 13, 2025Directory placeholders can get added to the external actor packages.
UE - Virtual Production - Tools - Shot Management - Aug 13, 2025We should not create placeholders when using WP or OFPA. ...
Vector VM - Crash / memory stomp when using > 255 external function calls
UE - Niagara - Aug 12, 2025The Vector VM has only every supported a byte's worth of external function calls, when we blew the limit it would index into the incorrect VM call. The new VM will also overwrite memory when exceed ...
Rewind debugger would crash when recording a character using Pose search
UE - Anim - Gameplay - Aug 8, 2025Our character is using the Pose search setup from GameAnimation content example. The architecture of the system is most the same with some new function that account for some input difference and sp ...