A repainted cloth mesh continues to use previous paint job and does not update

UE - Simulation - Physics - Character - Dec 20, 2019

Cloth mesh reverts back to original painted mesh after editing Tested:     4.23.1 CL#9631420 4.25 CL#10730208 ...

MAC rect light does not use assigned source texture

UE - Platform - Apple - Jan 30, 2020

Rect light does not use its assigned source texture on MAC OS. Tested in: 4.23.1 CL#9631420  4.25 CL#11062379 ...

Scene Capture set to depth only renders the full scene instead of only processing depth.

UE - Virtual Production - Rendering - Oct 26, 2021

A licensee has also recommended a fix for this issue, please see the UDN link for details. Example renderdoc capture of the issue can be found here - [Link Removed] ...

CableComponent particles spawn at origin when gameplay starts depending on component registration order

UE - Framework - Components - Jan 9, 2025

A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...

Memory leak in global distance field when bDisableWorldRendering=true

UE - Rendering - Graphics Features - Jan 7, 2025

A memory leak occurs in global distance fields when bDisableWorldRendering=true As a workaround until this is fixed, you can disable the logic that checks bUpdatedThisFrame *in *GlobalDistanceField ...

M_Cave_Ground_Mud has an error which keeps floor in Particle Effects Sample from Rendering

Docs - Samples - Sep 29, 2015

Something must have changed with how LERP's or Vector Transforms deal with a float 0 value, which breaks this particular material Error:[Image Removed] Fix:[Image Removed] ...

Plugin Type breaks XCode syntax hightlighting

UE - Platform - Apple - May 16, 2017

Setting a plugin module's type to "Editor" causes syntax highlighting in XCode to break for .cpp files in that module. Setting the type back to Runtime fixes the behavior ...

[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GetParentLayout() [detailcategorybuilderimpl.h:166]

Tools - Aug 22, 2017

This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], fixed i ...

Input Axis Mapped to 'Pinch' no longer sends Axis Value

UE - Platform - Mobile - Feb 15, 2019

Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS  Confirmed in MAIN 4.23 @ CL 4961509 ...

DistanceFieldBentNormalAO does not appear to work with imposter UVs

UE - Graphics Features - Aug 26, 2021

I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...