Unreal Engine Issues
Unreal Engine Issues
Object Tracks in SubSequencer Lose References When Blending is Enabled
UE - Anim - Sequencer - Apr 4, 2025We're encountering an issue when using object tracks in subsequencer. When enabling blending on a subsequencer section, the object reference resets throughout the entire duration of the track. Inte ...
DiffuseIndirect_Lumen_3 parameter missing and causing crash with Screen Space reflections and Lumen Async Compute
UE - Graphics Features - Lumen - May 3, 2025When the Reflection Method is set to Screen Space and Lumen reflections async compute is enabled Unreal will crash because DiffuseIndirect_Lumen_3 parameter missing, due to how DenoiserOutputs are o ...
Texture incorrectly set when importing glTF via Interchange.
UE - Editor - Content Pipeline - Import and Export - May 6, 2025Some Materials in this glTF model will not use the correct texture on import. Find interior doors. They will be Green when they should be set to use Wood_Basecolor texture and not Wood_Basecolor1 ...
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. ...
Crash when setting console command for shadow max resolution to 1
UE - Graphics Features - May 29, 2015When setting the console command r.shadow.MaxResolution to a value of 1 will cause a crash. CrashReporter: [Link Removed] ...
Rolling ball physics bounces on flat landscape with low fps
UE - Simulation - Physics - Apr 21, 2015It's been reported that using the rolling ball physics on a flat landscape will cause the rolling ball to bounce when it crosses a seam. It does not happen on every single seam, but it happens prett ...
Creating a class derived from Trigger Base or its subclasses fails in editor
UE - Gameplay - Apr 30, 2015Attempting to create a class with the parent set to Trigger Base, Trigger Box, Trigger Capsule, or Trigger Sphere will fail to create the class ...
Selecting Auto Convex Collision crashes the editor
UE - Platform - Linux - Apr 13, 2015In the static mesh editor, choosing the Auto Convex Collision from the Collision drop toolbar and selecting apply will immediately crash the engine. ...
GitHub promoted branch crash on Mac when trying to PIE
UE - Platform - Apple - Mar 17, 2015Attempting to play in editor will cause the editor to crash immediately. ...
Additive anim slot takes over when played with Matinee
OLD - Anim - Aug 12, 2015When you have an animBP with two anim slots (one of which is additive) and are playing the animations via Matinee through each slot, the additive animation takes over and the base animation doesn't ...