Unreal Engine Issues
Unreal Engine Issues
SphereGradient3D Material Function has unconnected (or unnecessary) Scene Depth Call
Docs - Samples - Aug 10, 2015The SphereGradient 3D Material Function has a 'Custom Simple Depth Biased Alpha' section which utilizes Scene Depth but remain unconnected to the output of the material function. Users are reportin ...
Placing a rect light in between two static meshes causes the surface to be extremely bright
UE - Graphics Features - Jun 7, 2018Placing a rect light in between two static meshes causes the surface to be extremely bright. This will happen even though the lights settings are default. It will not happen if it is lighting just a ...
Metallic Materials Get Darker When Directional Light Is Set to Movable
UE - Platform - Mobile - Aug 20, 2018Metallic materials get darker when directional light is set to movable. In 4.19 the same material will render dark in all mobility of the directional light. Found in 4.19 CL# 4033788, 4.20 CL# 4233 ...
Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect
UE - Rendering Architecture - Oct 27, 2024When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...
Point and Spot lights no longer work in Orthographic Projection Mode
UE - Graphics Features - Dec 30, 2016Point and Spot Lights no longer work when using the Orthographic Camera Projection Mode. Note that the Directional Light still works as intended. This is a regression from behavior that worked in ...
Changing UFUNCTION Category causes function to not appear in BP right-click menu after hot reload
UE - Gameplay - Blueprint - Mar 11, 2015If a function with a Category set in its UFUNCTION macro has the value of the category changed and then compiled (hot reload), the function will no longer show up in the right click menu of the blue ...
Control rig functions can't be accessed from other control rigs after save on compile
UE - Anim - Rigging - Control Rig - Sep 25, 2023It looks like there is an issue with control rig functions and the save on compile option. When a control rig is saved via this setting, public functions within the control rig can't be referenced ...
Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing
UE - Graphics Features - Lumen - Sep 16, 2020According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...
Crash when pressing Ctrl-Z after creating a blueprint function
UE - Gameplay - Blueprint - Feb 20, 2017Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...
Set functions in UWindDirectionalSourceComponent are not exposed to be called from code
UE - Gameplay - Components - Oct 4, 2018None of the Set functions in the UWindDirectionalSourceComponent are able to be called from code. The functions can be called from Blueprint, but without the ENGINE_API macro, none of the functions ...