GetDistanceAlongSplineAtSplinePoint becomes inaccurate as point approaches 0% or 100% of spline length

Tools - Sep 26, 2016

When the USplineComponent::GetDistanceAlongSplineAtSplinePoint() function is called, the value returned is not accurate if the point approaches the range of 0 - 10 % or 90-100% of the spline. ...

Point Lights Invlidate Virtual Shadow Map Cache when at a distance from attenuation radius

UE - Rendering - Graphics Features - Oct 28, 2025

When the camera is outside of a certain distance from a point lights attenuation radius the VSM of that point light stops caching shadow maps. This can also be reflected in the output from the 'r.S ...

Branching point notifies can lose their linked montage

UE - Anim - Runtime - Feb 10, 2022

Currently UAnimSequenceBase::OnModelModified assumes that a notify is linked to a sequence and not a montage. This causes branching point notifies to lose their linked montage when being updated an ...

Light Banding for Point Lights at long distances from the World Origin

UE - Graphics Features - Jan 4, 2017

When using a point light far from the world origin the light will have banding. The shadow bias and filter sharpen can help but they are not as consistent as settings near the world origin. The only ...

Shader compile error using Point Lights Nvidia Shield

UE - Platform - Mobile - Jan 19, 2016

On the Nvidia Shield (portable with the controller attached) if you have a dynamic directional light and at least one dynamic point light no lights will be rendered in the level. Or even just using ...

Dynamic point lights generate shader compile errors on HTML5

UE - Platform - Mobile - Aug 20, 2015

The new ES2 movable point lights look promising. Unfortunately, there seems to be an issue with them in HTML5 builds. They work great in the ES2 preview mode in the editor, but when running in an ac ...

Extremely long Spline Point will cause the editor to lose FPS

Tools - Nov 13, 2015

Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...

Rotate Around Point Niagara Module causes jittering with Linear Force

UE - Niagara - Dec 1, 2022

Regression: Tested in UE5/Release-5.0, this issue also occurs meaning regression is no. The Niagara System appears to jitter whenever a force is applied after the Rotate Around Point module. If the ...

Spline Mesh Component doesn't render if two spline points are directly above and below each other

Tools - Dec 1, 2017

Spline Mesh Component doesn't render if two spline points are placed exactly above and below each other. If they are offset by any value other than 0.0, the Spline Mesh component will be rendered as ...

Direct Capsule Shadows with Point Lights also project shadow on opposite side and direction

UE - Graphics Features - Dec 14, 2016

When using a Direct Capsule Shadows on a skeletal mesh with a Stationary Point light, depending on the point lights placement, light source radius, and nearby surfaces will cast the shadow on the op ...