Unreal Engine Issues
Unreal Engine Issues
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 ...
Nested component subobject visualization and defaults editing is not working properly.
UE - Gameplay - Components - Jul 28, 2016Currently it is only partially possible to edit nested component subobjects, but not in a way that's consistent with how top-level component subobjects are edited (both Blueprints and IWCE). This is ...
Skeleton mesh with hair strands material will lead to unnecessary draw call submissions
UE - Graphics Features - Mar 27, 2025Materials with "Used With Hair Strands" enabled will cause Skeletal Meshes to draw twice in the Base Pass. ...
Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly
UE - Simulation - Physics - Sep 11, 2015When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...
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. ...
Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically
UE - Gameplay - Sep 7, 2016Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically. Even if the CharacterMovement component has Physics Interaction disabled, it will still effect t ...
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 ...
Cannot save actor after actor component modification, Graph is linked to private object(s) in an external package
UE - Gameplay - Blueprint - Sep 28, 2016Cannot save actor after actor component modification. The user gets the error Graph is linked to private object(s) in an external package ...
Child Actor Component Actor Duplicates and Persists After Play
UE - Gameplay - Sep 26, 2019When an actor spawns another actor using AddChildActorComponent that comes alphabetically before it based on blueprint name it will spawn an extra actor that will persist when the scene is stopped d ...
Using "Change Class" on Spawnables, Possessable references retain old Class info
UE - Anim - Sequencer - Apr 22, 2024Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...