Unreal Engine Issues
Unreal Engine Issues
Custom lighting channels ignored when object culled in stereoscopic
UE - Platform - XR - Apr 14, 2016When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...
Low FPS in Kite Demo
Tools - Mar 9, 2017When attempting to play the GDC_Landscape_01 map in Editor or as Standalone Game, game plays with very low FPS ~ 3-10 on machines that should be able to handle 30+. While testing for regression, ra ...
Mesh vanishes on BP compile (components created by components issue)
UE - Gameplay - Blueprint - Mar 29, 2017When a mesh is declared in a custom component class and that component is added to an actor class, compiling a blueprint based on the actor class will cause the mesh set in the component to vanish i ...
Scroll bar jumps to the top of the window when changing Output Log 'Categories' checkboxes
Tools - Aug 8, 2017When the Categories dropdown is changed in the Output Log, the scroll bar will jump to the top of the page. This does not match the behavior of using the search bar which will keep the scroll bar a ...
[CrashReport] UE4Editor_RHI!FClearValueBinding::GetClearColor() [rhi.h:989]
UE - Platform - XR - Mar 27, 2018No user comments in crash group 986 FLinearColor GetClearColor() const 987 { 988 ***** ensure(ColorBinding == EClearBinding::EColorBound); 989 return FLinearColor(V ...
Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index
Tools - Jul 23, 2018When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...
Material Ambient Occlusion Does Not Work With Skylight Set to Movable
UE - Graphics Features - Jul 27, 2018Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...
Meshes simulating physics cannot roll smoothly across multiple connected meshes
UE - Simulation - Physics - Jul 30, 2018A user has reported a physics regression from 4.19 to 4.20 where attempting to roll a static mesh down a slope made of multiple meshes no longer results in a smooth roll. The static mesh will skip a ...
Niagara Sprite Particles Incorrect Facing with Orthographic Camera When "Velocity aligned" is Set
UE - Niagara - Aug 2, 2018Niagara sprite particles incorrectly face with Orthographic camera when "Velocity aligned" is set for its camera alignment. [Link Removed] seems to be the same issue but with Cascade. Found in 4.1 ...
Adding components in an Actor then undoing them leaves sub-components
UE - Gameplay - Aug 14, 2018Adding components in an Actor then undoing them after an action in the Viewport, leaves sub-components behind. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4 ...