Cable Actor resets to initial end point position when moving the actor while Attach End is disabled

UE - Simulation - Physics - Apr 4, 2023

This is a regression. Tested in //UE5/Release-5.1 CL23901901 Additionally, I placed the cable actor in a sequencer then keyed several changes in position. The Cable actor had the same behavior of r ...

The Add node does not update in the Construction Script

UE - Gameplay - Blueprint - Feb 28, 2015

The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

The Radial Blur Shader Doesn't Look Correct With Raytracing Translucency Enabled

UE - Graphics Features - Lumen - Jan 21, 2020

The Radial Blur shader doesn't look correct with ray tracing translucency enabled. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11050671 ...

Auto Exposure Compensation Curve issue when switching from Histogram to Manual

UE - Rendering Architecture - Feb 21, 2024

When switching the Camera's Exposure Metering Mode from Histogram to Manual, there is a single-frame flash. The Licensee has a proposed code change that would fix this issue. Also found in 5.4, CL 3 ...

Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects

UE - Graphics Features - Mar 25, 2025

When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...

Editing values in ReverbMasterSubmixEffect causes crash

UE - Audio - Nov 7, 2019

Adding and removing Submixes at runtime, then editing the preset causes the editor to crash. Tested in 4.22.3 (CL - 7053647), 4.23.1 (CL - 9631420), 4.24 (CL - 1050688), 4.25 (CL - 10069288) ...

Packaging for Linux in a binary build should be disabled when not supported

UE - Platform - Linux - Jan 5, 2015

According to the user, if you install Linux toolchain, the binary build will allow you to package for it, and will not handle the failure gracefully ( https://forums.unrealengine.com/showthread.php? ...

r.ScreenPercentage.Editor does not function

UE - Graphics Features - Jun 2, 2016

Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...

'Use Translucency Vertex Fog' does not work on Metal

UE - Graphics Features - Nov 15, 2016

'Use Translucency Vertex Fog' does not work on Metal despite the following release notes: According to 4.13 Releases Notes:[Link Removed] "New: Shader Model 5 Rendering for Mac Mac Metal now has i ...