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 ...
Videos not displaying on projector light
TM - Rendering - Mar 5, 2026Reported in SF [Link Removed] When inserting a video into the projector light, the projector light no longer appears to work. The reporting user is on a Mac machine (M4). I was not able to reprodu ...
Light shaft settings are missing
UE - Graphics Features - May 19, 2020Public facing bug report came in describing that lights shafts were missing from all lights except directional. This issue does not seem to be occurring for 4.24 or 4.26. I was able to confirm that ...
Blueprint unable to compile if including a macro that includes one of its functions
UE - Gameplay - Blueprint Compiler - Mar 9, 2017Blueprints that include a macro that includes one of their own functions are unable to compile. The error message that is given is: Error Could not find a function named "MyFunction" in 'ActorBP_C'. ...
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 ...
Light is still being generated after the sun is "set" during Geographically Accurate Sun Positioning
UE - Content - Engine - Dec 11, 2018While ad-hoc testing Geographically Accurate Sun Positioning, I found that I could cause the Sun to set and consequentially render from under the map. Light is still being generated even though the ...
Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable
UE - Gameplay - Blueprint Editor - Aug 28, 2020After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...
Skylight Indirect lighting Intensity has no effect
UE - Graphics Features - Dec 28, 2015The Skylight actor has minimal effect on indirect lighting compared with 4.10.1 and the Indirect Lighting Intensity slider has no effect at all. Image attached for comparison bwtween 4.10.1 and 4. ...
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 ...