Unreal Engine Issues
Unreal Engine Issues
Changing between multiple Streams that are contained within an array does not work
UE - Gameplay - Blueprint - Mar 20, 2015Changing between multiple Streams that are contained within an array does not work. ...
Niagara particles with collision will continue to move along World +Y-axis
UE - Niagara - Apr 7, 2022Niagara particles with collision slide in the direction of World +Y-axis after the point they should have stopped. If the user uses multiple systems in the same spot all the emitters appear to bounc ...
No Editor Audio on Linux when using ALSA
UE - Platform - Linux - Oct 31, 2017No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...
VSM SMRT SamplesPerRay CVars behave differently if groom assets are present leading to a potential full-scene shadow
UE - Graphics Features - May 28, 2025When a groom is present, setting any SamplesPerRay SMRT CVar to zero results in an unexpected complete shadow projected from the light. ProjectLight() in VirtualShadowMapProjection.usf has addition ...
Update Capture causing Post Process Flickering across whole scene
UE - Graphics Features - Jun 30, 2015When a Scene Capture Actor is updating the content via an Update Content Node, the Static meshes in the world will flicker or pulse according to the update timer for the Scene Capture Actor. This o ...
GetMouseX returns stuttering value if ShowMouseCursor is enabled
UE - Gameplay - Input - May 11, 2022Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values. ...
Radial Impulse does not affect objects unless it can affect both center of mass and collision if center of mass is outside of collision
UE - Simulation - Physics - Oct 17, 2016Firing a radial impulse does not affect an object whose center of mass is located outside of its' collision unless both the center and the collision are simultaneously affected by the same force. ...
"Active" marker on shot track scales improperly when using Time Scale
UE - Anim - Sequencer - Apr 21, 2017"Active" marker on shot track scales improperly when using Time Scale ...
SkyLight is not affecting the volumetric fog
UE - Graphics Features - Lumen - Nov 24, 2022Looks like this behavior was working as expected until 5.1 Preview 2 ...