Disabling fog in Unlit mode does not work

UE - Graphics Features - Jun 11, 2019

The Show Flags for Fog no longer function correctly when in Unlit mode. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...

Crash when setting Anim to "None" with URO

OLD - Anim - Aug 28, 2019

A Crash can occur when setting a skeletal mesh's animation instance to None when it has Update Rate Optimizations enabled. An unverified proposed fix for this is to remove the nullptr check when ...

Dynamic navmesh update causes navlinks to reset to their default state

UE - AI - Dec 16, 2019

Updates to dynamic navmesh cause navlinks to reset to their default state. Navigation still shows the path as accessible even though it isn't. This is a regression from 4.23.1 (CL-9631420) where th ...

WrapBox->ForceNewLine() does not keep the slot on a new line.

UE - Editor - UI Systems - Slate - Apr 18, 2022

Repro Ratio: 4/4 Regression testing done in //UE5/Release-5.0-EarlyAccess CL-16682836 as this is a new feature to UE5. This issue Also happened in Early Access 2. ...

Nanite meshes' selection outline is off with temporal upsampling

UE - Graphics Features - Nanite - Feb 2, 2021

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

Sky Lights don't effect Translucent materials

UE - Rendering Architecture - Materials - Nov 21, 2022

Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...

If LevelSequence ends during a shot that includes a CineCameraActor, Player Camera is not reset correctly

UE - Anim - Sequencer - Dec 13, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue occurs when sequence ends with shot, and if sequence is interrupted during shot. ...

Materials with transparency still visible in alpha with holdout in Render layers.

TM - Tools - Mar 8, 2024

The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected).  They are visible in Alpha with Holdout.  This is an Engine limitation for now. But we sho ...

[CrashReport] UE4Editor-UnrealEd!UEditorEngine::CheckForWorldGCLeaks(UWorld *,UPackage *) [EditorServer.cpp:1969]

UE - Editor - Content Pipeline - Content Browser - Jan 28, 2019

Comment from user in crash group:Created a new level, tried opening it, clicked yes to save existing persistent level and sub-levels, crashed. Generated from CrashReporter ...

Crash after adding an AI Perception component to a parent and child character

UE - Gameplay - Sep 14, 2017

Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...