Unreal Engine Issues
Unreal Engine Issues
First Person Primitive
UE - Graphics Features - Feb 20, 2025First Person Scale and First Person Field of View on camera components do not apply to the depth prepass when rendering First Person View meshes, leading to a mismatch between the depth pre-pass and ...
Incorrect UV coordinates when visualizing mesh painting texutre on Nanite splines
UE - Graphics Features - Jun 30, 2025The UV coordinates for visualizing the mesh painting texture on Nanite spline meshes are not working correctly. This runs the code in the NANITE_VISUALIZE_MESH_PAINT_TEXTURE section in NaniteVisuali ...
Engine Freezes Compiling Fmod Material
UE - Graphics Features - Jun 25, 2015When Saving the Material shown below, the engine will freeze at 50%, no crash is generated but engine stays unresponsive (tested for 60 mins) and must be terminated via Windows Task Manager. [Image ...
UMG widgets aren't cleared when levels are swapped via 'open LevelName'.
UE - Editor - UI Systems - Oct 30, 2014If a level has UMG widgets, swapping to other levels (including the level you're already on) doesn't clear away the UMG widgets. ...
Holding Right mouse button to scroll a scroll box appears to be much slower
UE - Editor - UI Systems - Slate - Aug 17, 2016Holding Right mouse button to scroll a scroll box appears to be much slower than it did in previous versions of the engine. The user must move their mouse many times further to scroll to the bottom ...
Broken assignation of materials when merging meshes
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 18, 2019See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...
Draw Material to Render Target renders black in Standalone
UE - Graphics Features - Sep 28, 2016The 'Draw Material to Render Target' in blueprints renders black when launched in Standalone. This is not the case when using the same blueprint and running PIE. The interesting thing about this is ...
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. ...