Unreal Engine Issues
Unreal Engine Issues
RayTracing Final Gather is not working in UE 5.1
UE - Graphics Features - Ray Tracing - Apr 12, 2023Further Comments: Customer is using the deprecated ray traced mode. ...
DrawDebug elements on screen affect aspect ratio letterboxing
UE - Rendering Architecture - Nov 1, 2023During gameplay when the view target camera's aspect ratio is not exactly the viewport's aspect ratio, the presence of rendered debug draw elements (DrawDebugArrow, etc) makes the viewport's rendere ...
Copy Actors out of play mode ( 5.3.1 )
UE - Editor - Workflow Systems - Dec 22, 2023From UDN case #00645621: Is it possible that this function has been deactivated? In 5.03 I can copy objects from the game mode. ...
Split Struct Pin on a Function output will return a compiler error
UE - Gameplay - Blueprint - Jan 13, 2015Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...
Incorrect shading for SubSurface profile in the Blueprint Viewport.
UE - Graphics Features - Dec 30, 2016The Subsurface shading looks incorrect in the Blueprint Viewport window. Adjusting the cvar for r.sss.checkerboard from the default value of 2 to 1 looks more correct and a value of 0 switches back ...
Gamepad continues to control editor menus during Mobile PIE session
Tools - Dec 4, 2017When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...
Particles Do Not Obey Lighting Channels
UE - Niagara - Apr 17, 2018Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...
Float Curve evaluation may yield completely wrong results due to floating-point precision issue
UE - Anim - Runtime - Oct 31, 2024Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...
Geometry in sublevel created with "Load Level Instance" ignores level transform
UE - LD & Modeling - Modeling Tools - BSP - Sep 26, 2017Geometry in sublevel created with "Load Level Instance" ignores level transform. Other objects, such as Static meshes are affected by the transform. This issue is not a regression. Versions tested: ...
Broken hair material with light function
UE - Graphics Features - Dec 19, 2024Hair Materials do not react to Light Functions in the same way as other Materials. There is a visual difference between a Directional Light at 1 lux with no Light Function and a Directional Light at ...