Unreal Engine Issues
Unreal Engine Issues
character movement velocity negatively affected by framerate
UE - Gameplay - Oct 28, 2015Lower framerates directly affect the velocity of a character's movement if that velocity is provided by another source. ...
Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1
UE - Anim - Sequencer - Jul 28, 2021There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...
Subsurface Scattering Checkerboard with SceneColourFormat 3 (High Scalability) leads to a visual artefact when temporal upscaling is in use
UE - Graphics Features - Sep 30, 2024Primarily visible at very low internal resolutions (25-33%), the SSS checkerboard with an RGB scene colour format (r.SceneColorFormat 3) causes a double-image artefact both internally and on the sil ...
Outliner eye toggle fails to hide static meshes when Affect Indirect Lighting While Hidden is enabled
UE - Rendering Architecture - Nov 5, 2025When a static mesh has the property Affect Indirect Lighting While Hidden enabled, toggling its visibility via the Outliner eye icon does not hide the mesh in the editor viewport. The actor remains ...
Static meshes in a particle system are not affected by decals
UE - Graphics Features - Dec 21, 2017There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...
Foliage Instance Static Meshes do not affect the Navmesh
UE - AI - Navigation - Apr 25, 2022Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...
Lighting does not properly affect landscapes under another landscape, even if Static Lighting Resolution is increased
UE - LD & Modeling - Terrain - Landscape - Apr 29, 2015Lighting does not properly affect landscapes that are below another landscape, even after static lighting resolution is increased. This results in some areas that should be completely shadowed to ha ...
8 bit resolution darker than 16 bit resolution inside UE4
UE - Graphics Features - Oct 8, 20158 bit textures are darker than 16 bit textures inside of editor. ...
Material base color is lighter on Nanite meshes when using 16-bit GBuffer
UE - Graphics Features - Nanite - Aug 6, 2024The base color is brighter on Nanite meshes than non-Nanite meshes when GBuffer Format is set to "Force 16-bits per channel" (r.GBufferFormat 5) even though the meshes are using the same material. ...
Reducing Resolution Scale affects Selection Accuracy in Viewport
UE - Graphics Features - Nov 17, 2015When reducing the Resolution Scale the selection accuracy is reduced greatly, and makes it difficult to click and move objects in the viewport when PIE or Simulating. ...