r.MaxAnisotropy does not work in editor

UE - Graphics Features - May 21, 2021

Setting r.MaxAnisotropy by console in editor has no effect on texture sampler's MaxAnisotropy. If the startup value of r.MaxAnisotropy is 8, then the MaxAnisotropy is always 8 no matter how  r.MaxA ...

Two Sided Foliage doesn't receive VSM shadow with Opacity 0

UE - Graphics Features - Jan 25, 2024

Two-Sided foliage materials with an Opacity of 0 ignore any shadows cast with Virtual Shadowmaps, even in a completely sealed environment. This did not happen in UE 5.1.1 ...

Editor window changes size each time the same project is opened

Tools - Apr 6, 2015

The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...

LOD ScreenSize per platform is not reflected in the mobile preview

UE - Platform - Mobile - Jan 31, 2023

in 5.0 or 5.1, MinimumLOD  per platform can be previewed in the mobile ES3.1 preview mode, but It seems that the LOD ScreenSize per platform is not reflected in the mobile preview. ...

Crash on Event Begin Play with UMG Widget and 2 or More Players

UE - Editor - UI Systems - Feb 25, 2015

A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...

GAS: Removing an AttributeSet followed by removing an active GameplayEffect results in client crash

UE - Gameplay - Gameplay Ability System - Aug 23, 2023

Gameplay Ability System Standalone: Removing an attribute set and then removing an active gameplay effect that has a modifier for an attribute from that set results in a crash. Currently, one must ...

Adding a node or variable to a component referenced by another actor crashes editor

UE - Gameplay - Blueprint - Aug 3, 2015

If compile is pressed after adding a variable or node to a blueprint component that has a variable referenced within another blueprint actor, the editor immediately crashes. Frequency: 1/1 Crashr ...

WorldPartitionConvertCommandlet hits an assert when converting a persistent level that contains a sub-level with a landscape

UE - World Creation - Worldbuilding Tools - Nov 7, 2025

Context: The Window tab allows a user to open the Levels window in order to add a sub-level to a persistent level. For Unreal Engine 5.0 and beyond, World Partition has made the Levels window obsole ...

ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled

UE - Platform - Mobile - Sep 20, 2016

When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...

Gameplay Tags Can't Be Edited Via "Bulk Edit via Property Matrix"

Tools - Dec 25, 2019

You can't edit a gameplay tag when you bulk edit via the property matrix. Found in 4.23.1 CL#10757647 Reproduced in 4.24.1 CL# 107567474.25 Main CL#10868506 ...