Unreal Engine Issues
Unreal Engine Issues
Painted Foliage and Landscape Grass cannot use Lighting Channels
UE - World Creation - Worldbuilding Tools - Foliage - Jul 5, 2016Currently there is no way to set painted Foliage instances of an actor be able to use lighting channels even though these can be set to movable in their properties. Since Instanced and Hierarchica ...
Particle System With Light Module Breaks Source Length Or Min Roughness
UE - Niagara - Apr 7, 2017When adding a particle system to a scene with dynamic point lights with their source radius/min roughness altered results in those parameters getting reset to default. NotePoint light mush have cas ...
Unable to replace variable refs in functions with input parameter variables
UE - Gameplay - Blueprint Editor - May 4, 2020User is not able to replace a variable reference in a function with an input parameter of the same type. ...
Duplicating functions doesn't reset the GUIDs of local variables.
UE - Gameplay - Jun 15, 2023This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...
Don't display events in blueprint function with profile stats.
UE - Foundation - Core - UObject - Nov 28, 2019When look at stats in Unreal Frontend, can see the events that run in the function. It work in 4.21, but it doesn't work in 4.22. ...
Deleting a function in a parent class that is over written in a child class will cause a crash
UE - Gameplay - Blueprint - May 7, 2015The editor crashes after deleting a function in a parent class that has been implemented and over written in a child class. ...
Adjusting Default Light Settings for Atmospheric Fog causes Crash
UE - Graphics Features - May 2, 2016Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...
Baking lighting on Nanite landscape crashes the editor
UE - Graphics Features - May 23, 2024When static lighting is baked using CPU lightmass for a nanite-enabled landscape it causes an editor crash with this assert: ...\Lightmass.cpp] [Line: 546] Attempting to add the same material twice ...
Reflection Captures Show Static Lights With "Actor hidden in Game" Enabled
UE - Graphics Features - Aug 2, 2018Reflection Captures show static lights with "Actor hidden in Game" checked. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4247867 ...
Point light leaking throught thin geometry
UE - Graphics Features - Oct 29, 2024In 4.27, ray traced point lights can leak through thin meshes. This bug does not exist in Unreal Engine 5, due to many of the potential rendering areas being fundamentally changed. ...