Material preview artifacts

UE - Graphics Features - Apr 4, 2016

Import the attached speedtree asset. The material view will be glitched. Disabling the world position offset input and reenabling seems to help. This issue did not occur in 4.10.4 and does not occu ...

Landscape Grass Foliage Instances Culling Incorrectly

UE - World Creation - Worldbuilding Tools - Foliage - Feb 20, 2017

Foliage instances are culling incorrectly and seem to cull based off of the landscape components and/or entire foliage clusters. Regression? Yes, this issue does not occur in the 4.14.3 binary rele ...

Game view cannot be changed in Orthographic view

Tools - Sep 29, 2017

The Game view cannot be changed in Orthographic view despite that the Orthographic views can be affected by the game view options. This issue does not appear to be a regression. Versions Tested: Is ...

[CrashReport] UE4Editor_RenderCore!FPendingCleanupObjects::~FPendingCleanupObjects

UE - Graphics Features - Aug 21, 2018

Comments from users in crash group:I tried to launch my project  1266 FPendingCleanupObjects::~FPendingCleanupObjects() 1267 { 1268 QUICK_SCOPE_CYCLE_COUNTER(STAT_FPendingClea ...

Movement Tolerance for Spawn Per Unit Does Not Function

UE - Niagara - Oct 19, 2018

Motion tolerance for Spawn Per Unit does not affect the particle system. Even if the vaules are set very high. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472 ...

Blueprint Editor Show Grid does not toggle the grid in the viewport

UE - Editor - Workflow Systems - Oct 28, 2020

The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...

"PivotPainter_PerObjectData" node's "Random Value Per Element" output crashes with an assertion when used with a "Cross" node

UE - Rendering - Architecture - Materials - Jan 31, 2022

This is a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0 CL18747223 GitHub When using the Random Value Per Element from a PivotPainter_PerObjectData with a Cross nod ...

When SimpleLink and SmartLink are enabled, CustomLinkId is sometimes missing.

UE - AI - Navigation - Jun 21, 2022

If trying to find NavLinkProxy with SimpleLink and SmartLink enabled by searching the path,  sometimes CustomLink is not found (CustomLinkId=0). Since only one NavLinkProxy is located on the level, ...

Lag spike for client while character is attached to actor

UE - Gameplay - Player Movement - Dec 14, 2022

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur for Listen Server players. It's likely that this is a replication ...

Recompiling blueprint actor in hidden sublevel, after reloading main level, detaches all its child actors

UE - World Creation - Worldbuilding Tools - Jan 4, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The repro steps are very specific for this; the core issue being that once the top lev ...