Oculus controllers are hidden in Collab VR template

UE - Platform - XR - Dec 2, 2019

Oculus Rift motion controllers aren't visible and don't respond to button input from the controllers in Collab VR. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

RHI assert on startup when compiling shipping build with assertions enabled

UE - Graphics Features - Dec 23, 2019

When setting bUseChecksInShipping to true in the PRojec's Target.cs file, the project will package successfully for Shipping but trigger an assert when it is launched. The error is also present when ...

Reflection capture doesn't work with full dynamic lighting

UE - Graphics Features - Dec 27, 2019

The Reflection Capture is not showing reflections for anything but the Sky Light when all Lighting is set to Fully Dynamic. This was reported and tested in 4.24.1 (CL-10757647). This was reproduce ...

Niagara Systems Don't Scale With Skeletal Meshes When Called From a Montage

UE - Niagara - Jan 2, 2020

When a Niagara System is called from a montage is doesn't scale with the skeletal mesh that uses the montage. Attached is an example project. Found in 4.24.1 CL#1077647 Reproduced in 4.23.1 CL# 9 ...

Hidden Shadows Aren't Rendered When Raytracing Is Enabled

UE - Graphics Features - Lumen - Mar 13, 2020

Hidden shadows aren't rendered when ray tracing is enabled. Found in 4.25 Preview 2 CL#12055273 Reproduced in 4.23.1 CL#9631420, 4.24.3 CL#11590370, 4.26 Main CL#12123513 ...

FBX skeletalmesh animation import use an integer for sample rate

UE - Editor - Content Pipeline - Import and Export - Sep 11, 2020

Integer sample rate is not playing well with 23.976(NTSC/24) sample rate, the curve get resample at 30Hz in that case and we loose precision. We need to support FFrameRate sample rate to get accura ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - Anim - Rigging - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Adding a scene component to a child blueprint causes log warnings to appear in output log

UE - Gameplay - Blueprint - Sep 1, 2015

If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...

Custom lighting channels ignored when object culled in stereoscopic

UE - Platform - XR - Apr 14, 2016

When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...

Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target

UE - Graphics Features - Dec 6, 2016

When scaling a SceneCapture2D actor/component any decals there were being rendered within the Render Target disappear. I also noticed that when the SceneCapture2d is set to orthographic, the scale ...