Multigates only fire the first output when inside a function

UE - Gameplay - Blueprint - Apr 2, 2015

Multigates only fire the first output when inside a function. The same setup in the Event Graph will function as intended. Reproduced in 4.7.4 binary and Main (//depot/UE4/Promotable-CL-2498147) ...

Difference in Physics on Client in Standalone vs PIE

UE - Networking - Dec 3, 2015

Difference in force on an actor on a client in a dedicated server scenario between PIE and Standalone. Tested in 4.10 and 4.11. Test project attached. ...

Infinite loop in UAnimSequence::ExtractRootMotion when sampling backwards

UE - Anim - Gameplay - Dec 6, 2021

When sampling root motion backwards we can hit an infinite loop in ExtractRootMotion. This happens if the initial sample time + negative delta is off the end of the animation clip. In that case FA ...

UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12

UE - Rendering Architecture - Shaders - Jul 15, 2024

Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...

Min Roughness Light Setting Does Not Work In Forward Shading

UE - Graphics Features - Mar 1, 2017

Min roughness in the light settings currently aren't working in the forward shading mode. ...

Particle System Components don't inherit owner's time dilation

UE - Niagara - Feb 7, 2020

This is a regression introduced by the particle system manager. It does not account for the owning actor's time dilation when ticking the particle system components.  ...

Emissive Materials Change Colors Unexpectedly With Increased Values

UE - Graphics Features - Jan 24, 2017

When multiplying vector 3 (R,G,B) values by a scalar value of increasing quantity the emissive output will begin to change colors. The most unexpected is the blue color that will turn purple while t ...

RSTP Stream does not appear to work with Media Streaming source assets

Media Framework - Aug 2, 2019

It appears that RSTP streams do not work in editor when used with a Stream Media Source asset. ...

DBuffer Decals render on top of Foliage

UE - Graphics Features - Sep 18, 2015

This is the same issue found in [Link Removed]. Foliage will not act as an occluder as expected with painted foliage. [Image Removed] Also reproduced in Main CL-2689138 ...

Bloom artifact showing in splitscreen settings

UE - Graphics Features - Jan 15, 2015

There is a bloom artifact at the top of the bottom player's screen. ...