Unreal Engine Issues
Unreal Engine Issues
Lumen indirect lighting artifacts when far from world origin
UE - Graphics Features - Lumen - Feb 6, 2024Lumen seems to not be using Large World Coordinates somewhere. The Lumen Scene develops artifacts at large distances (5000 KM) from the world origin. ...
Distant mesh / vista have visible Lumen bounces
UE - Rendering - Architecture - Jun 15, 2024Objects far outside of the Lumen Scene don't temporally accumulate screen traces, leading to heavy flickering. It appears that the temporal reprojection is failing when comparing the depth in "Scree ...
Crash occur when loading AInstancedPlacementPartitionActor
UE - Editor - May 17, 2022Crashes when loading an actor that inherits from AInstancedPlacementPartitionActor. There is a serialization size mismatch. ...
Gameplay Effects can hold stale references to GameplayTags when switching Gameplay Effect Component type
UE - Gameplay - Gameplay Ability System - Jan 9, 2024Gameplay Effects can hold stale references to Gameplay Tags when the adding component is switched for a different type. The tags are serialised, and their presence can be confirmed with Reference Vi ...
Landscape incorrectly renders when camera clips through foliage while Playing in Editor
UE - LD & Modeling - Terrain - Landscape - Dec 1, 2014Landscape sections disappear for a very brief time when the player camera clips through foliage quickly. ...
Timeline functions do not work inside of Blueprint functions
UE - Gameplay - Blueprint - Dec 20, 2014I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...
Different Drag and Drop Behavior between Tile, List, and Column Views in the Content Browser
UE - Editor - Content Pipeline - Content Browser - Aug 11, 2015In the Content Browser in the Viewport to the right of the Content Browser outliner (*see image): If you are in Tile View you can drag an asset into a folder in the same viewport and successfully m ...
Crash and Performance issues when Generating Foliage using the Procedural Foliage Volume
UE - World Creation - Worldbuilding Tools - Foliage - Feb 14, 2017Users are reporting crashes and poor performance when generating foliage using the Experimental Procedural Foliage Volume tool. Regression? Yes, this does not occur in the previous engine version o ...
Memory Leak occurring when switching between levels in Standalone
UE - Foundation - Core - Oct 29, 2015A memory leak seems to occur when switching between levels multiple times. This is being monitored by memreport full ...
Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP
UE - Gameplay - Blueprint Editor - Aug 1, 2020See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...