Spot lights do not cast shadows correctly in forward rendering when dynamic

UE - Graphics Features - Aug 8, 2017

Doesn't occur for point lights only spot lights ...

Crash when building lighting while in PIE

UE - Graphics Features - Feb 21, 2017

NOTE: This issue is similar to (same callstack) as [Link Removed], however this issue is still occurring in 4.15.0. Error Message: Access violation - code c0000005 (first/second chance not availab ...

Output pins labeled "self" will not appear on interface functions called in blueprints

UE - Gameplay - Blueprint - Jan 28, 2016

Output pins labeled "self" will not appear on interface functions called in blueprints. ...

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected

UE - Gameplay - Blueprint - Aug 3, 2015

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...

Light as if Static Does not persist on Minimal Default level after save and Restart

Tools - Jul 17, 2015

Loading a new project with starter content and changing the table from static to movable, and changing to light as if static, the option does not persist after save and restart. ...

Sky Lights don't effect Translucent materials

UE - Rendering - Architecture - Materials - Nov 21, 2022

Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...

HandleKismetEvent (console cmd 'ke'): GT-ALT deadlock when user function flushes async loading

UE - Foundation - Core Systems - EditorLoader - Apr 8, 2026

Context In builds with the in-game console enabled, users can use the ‘ke’ command to execute UFUNCTIONS on any object:ke * MyFunc // run MyFunc() on ANY UObject with a ufunction with that name ke ...

FFrame::ReadProperty() occur crash if Blendspace Player node use Function to get BlendSpace Asset

UE - Anim - Runtime - Anim Blueprints - May 25, 2022

If user connect a function that returns a Blendspace Asset to a Blendspace Player that BlendSpaceAsset settings are exposed to a pin, it crashes in the package. It does not occur if user do not con ...

While casting to a Child, the overridden function node's target will read the parent bp

UE - Gameplay - Blueprint - Apr 17, 2015

While casting to a Child, the overridden function node's target will read the parent bp. Also being discussed in this Forum post: https://forums.unrealengine.com/showthread.php?66846-Initialisin ...

Building lighting after map data is built dirties level

UE - Graphics Features - Oct 5, 2017

There is an issue occurring where after the map built data is made building lighting on a level causes the level to become dirty. this occurs even if anything in the level has not been changed excep ...