Unreal Engine Issues
Unreal Engine Issues
Game view cannot be changed in Orthographic view
Tools - Sep 29, 2017The Game view cannot be changed in Orthographic view despite that the Orthographic views can be affected by the game view options. This issue does not appear to be a regression. Versions Tested: Is ...
Planar Reflections do not respect SkyLight intensity
UE - Graphics Features - Nov 14, 2017Planar Reflection actor does not reflect the intensity change of the SkyLight. In attached images, the Intensity of the SkyLight is set to 2. The darker area on the right is affected by the Plana ...
Movement Tolerance for Spawn Per Unit Does Not Function
UE - Niagara - Oct 19, 2018Motion tolerance for Spawn Per Unit does not affect the particle system. Even if the vaules are set very high. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472 ...
Blueprint Editor Show Grid does not toggle the grid in the viewport
UE - Editor - Workflow Systems - Oct 28, 2020The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...
Niagara Fluids Plugin creates a memory reference of any saved level by only being active, before being actually used.
UE - Niagara - Aug 21, 2024While Niagara Fluids Plugin is active it creates a memory reference of any saved level regardless of being actually used. Simply enabling the plugin shows a memory reference while deleting the level ...
3D Grass may not appear in Path Tracer renders
TM - Rendering - Sep 19, 2025Reported in SF [Link Removed] Path Tracer renders of images with 3D grass may not display 3D grass in the foreground of an image. The 3D grass material will not appear or may appear to cut off at s ...
Shader Complexity View not working in Deferred Mobile Preview
UE - Platform - Mobile - Sep 30, 2025Proposed workaround:add in FMobileSceneRenderer::RenderDeferredMultiPass (MobileShadingRenderer.cpp): #if WITH_DEBUG_VIEW_MODES if (ViewFamily.UseDebugViewPS()) { return; } #endif // WITH_DEBU ...
Vertex Paint on Static Mesh Component in BP is lost on Packaged and Standalone Game
UE - Gameplay - Blueprint - Mar 10, 2016BP Static Mesh Components are not retaining the vertex color applied to them in a level when you play in Standalone or Package a Project. You will get the correct results however when you PIE. Thi ...
No scroll bar is created when the Collision Preset section of Project Settings is expanded
Tools - Mar 15, 2015No scroll bar is created when the Collision Preset section of Project Settings is expanded. Clicking an element in the Preset section does not add the scroll bar. Collapsing the section and re-exp ...
A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE
UE - Graphics Features - Jan 22, 2015A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...