Unreal Engine Issues
Unreal Engine Issues
Default subobjects do not get PostLoad called
UE - Gameplay - Components - Nov 3, 2016PostLoad function is not called for blueprint components added through code. Regression: Yes In 4.12.5 (CL 3039270) code components do have PostLoad called if other components are not added throug ...
Event not saved correctly when duplicating Level Sequence
UE - Anim - Sequencer - Nov 21, 2019This issue is similar to [Link Removed]. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...
When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, ignoring the PlayerControllerIndex.
UE - Niagara - Nov 8, 2024When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, regardless of PlayerControllerIndex. The expected behavior would be to have the ...
Contact shadows bug in splitscreen
UE - Graphics Features - Dec 11, 2024Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...
Lack of multi-bounce when using software traced lumen radiosity
UE - Graphics Features - Lumen - Apr 4, 2025Certain Lumen Hardware Ray Tracing CVars, when disabled in isolation, will not fall back to tracing the Global Distance Field, because the Global Distance Field is still disabled. The function "Lum ...
UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges.
UE - World Creation - Worldbuilding Tools - World Composition - Mar 6, 2020UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges. It should be set to Clamp or Mirror by default. ...
Changing screen percentage while in VR Preview will change screen coords for post process shaders
UE - Platform - XR - Jan 30, 2015If a post process volume is set to use a material shader, reducing the screen percentage while in VR Preview will shift the coordinates left/right. ...
Application crashes when blueprint contains a copied timeline
UE - Gameplay - Blueprint - Oct 15, 2015Copied timeline nodes triggers an Android crash and a black screen on the iOS devices. ...
Key "F" for Focus acts Sporadically in the Static Mesh Editor Viewport
Tools - Dec 15, 2016In the Static Mesh Editor Viewport, hitting "F" for Focus results in placing the view camera sporadically so that mesh is not always centered and frequently out of frame altogether. Regression: Yes ...
SpringArmComponent with "Use Camera Lag Substepping" does not handle fluctuating frame rates correctly
UE - Gameplay - Jun 4, 2024The description of SpringArmComponent's "Use Camera Lag Substepping" option says "sub-step camera damping so that it handles fluctuating frame rates well". However, as noted and explained by a licen ...