Unreal Engine Issues
Unreal Engine Issues
Deleting a material layer from the stack reverts other layers' overridden parameters to default
UE - Graphics Features - Feb 5, 2021It appears as though parameters for downstream material layers are reverted to their default values and override states when an upstream material layer is deleted. ...
Specular highlight flickers when moving on Android
UE - Platform - Mobile - Dec 6, 2022Regression: Tested in UE5/Release-5.0, this issue also occurs so regression is no. ...
Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing has stopped
UE - Rendering Architecture - Materials - Jan 26, 2023This is not a regression. Tested in //UE5/Release-5.1 CL20979098 Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing stops. ...
Differences in Post Process FX between Minimized and Maximized Viewport
UE - Graphics Features - Apr 19, 2016When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...
Expanding a macro with split struct pins causes internal compile errors
UE - Gameplay - Blueprint - Jul 27, 2017Expanding a macro that passes a struct with split struct pins to a function causes internal compile errors. Attaching sample project, can be recreated with steps above. ...
RVT displaying lower LOD VTs by default in editor
UE - Rendering Architecture - Materials - Feb 28, 2022See licensee description for further details. ...
Instanced meshes do not accurately use volume light samples when lit in a statically lit scene
UE - Graphics Features - Aug 14, 2015When using instanced meshes in a Blueprint or in foliage tool the indirect lighting cache will not correctly light these meshes. I've include a sample project with map to demonstrate what the lice ...
Full screen mode when using a laptop with Optimus ignores the gama setting
UE - Graphics Features - Feb 15, 2016When using full-screen mode on a optimus laptop the gama that is set for the system appears to be ignored and uses the default setting, even if it has been adjusted in Windows display calibration se ...
Opcode shader compilation error when using a TextureSampleParameterCubeArray node with hardware ray tracing enabled
UE - Graphics Features - Ray Tracing - Mar 31, 2025Materials containing a cube array texture sampling node will not compile when hardware ray tracing is enabled. The shader compilation error indicates that an invalid op code was used: "Opcode Sample ...
Screen widgets with transparency are darker when displayed in an HTML5 environment
UE - Editor - UI Systems - Jun 8, 2015If the user creates a widget blueprint and adds an image with transparency the image will appear slightly darker when launched in HTML5 (firefox nightlie in this test) ...