Contact Shadow artifacts with ray lengths despite length

UE - Graphics Features - Nov 17, 2016

Contact Shadows have more shadowing errors with lower to mid values than in 4.13 release when the feature was still considered experimental. Even low Contact Shadow Length value is causing issues. ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023

Ribbon Emitters Do Not Properly Kill Trails On Source Loss

UE - Graphics Features - Nov 18, 2016

"Dead Trail on source lost" doesn't seem to work consistently. This is apparent when the source emitter's duration is longer than the particles being emitted. This bug also occurs if there is vary ...

Dragging the Translation Widget in Perspective Viewport on Mac in a second monitor does not translate the selected Actor

UE - Platform - Apple - Nov 11, 2014

Dragging the Translation Widget in Perspective Viewport on Mac does not translate the selected Actor, and when dragging is released the cursor is moved to the top left corner of the Viewport. Happen ...

BSP brushes get Clipped or Disappear relative to the Surface Normals of a nearby Brush when Deleting/Flipping Faces

UE - LD & Modeling - Modeling Tools - BSP - May 1, 2017

While testing this issue it was interesting to discover how the surrounding BSP's were affected. They seemed to clip/disappear according to the surface normals of the deleted brushes. There is a si ...

Rendering out PNG Sequence from Matinee yields Transparent PNGs

Tools - Mar 30, 2015

When rendering a movie out as a PNG sequence, the PNGs are all rendered with Transparency and require the addition of a Black layer before the frame can be viewed as in the Matinee. Went back and t ...

Random Number Generated in Constructor Returning Different Value on Begin Play

UE - Gameplay - Jan 13, 2016

When generating a random number using FMath::RandHelper() in the constructor of an actor, attempting to print that same number on BeginPlay returns a different value than the constructor. However, ...

"Convert to Blueprint" removes ability to edit component properties

UE - Gameplay - Blueprint - Dec 4, 2018

As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...

Plugin cannot be created when adding the "-" character

UE - Foundation - Cpp Tools - Plugin System - Dec 15, 2022

Repro Rate: 10/10 This issue occurred in the live build of //UE5/Release-5.1 at CL 23058290. This was regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to not be a regres ...

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin

UE - Gameplay - Blueprint - Sep 21, 2015

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin. Note: this does not appear to affect their functionality as execution reroute no ...