Using Virtual Texture Streaming checkbox in texture editor can break materials

UE - Graphics Features - Feb 24, 2021

A texture can be toggled between virtual texture and regular texture using the Convert to virtual texture/regular texture tool in the texture asset context menu. This updates referencing materials t ...

Colon in UPROPERTY category invalidates iterative build

UE - Foundation - Core - Cooker - Jan 13, 2017

The presence of a colon ':' character in the category string of a UPROPERTY will cause iterative cooking to generate the following error:Found unparsable ini setting Windows.EditorPerProjectUserSett ...

Request for 'Switch on Int' nodes to throw a warning or auto refresh if an execute pin is removed

UE - Gameplay - Blueprint - Nov 17, 2016

Request for 'Switch on Int' nodes to throw a warning or auto refresh if an execute pin is removed. For example: If the 0 pin is deleted, users may not realize the pins will reset back to (0,1,2,3,e ...

Editing and committing changes to a PackedLevelActor Blueprint results in a crash

UE - World Creation - Worldbuilding Tools - Level Instances - Apr 5, 2022

Repro Ratio: 3/3 Regression was tested in //UE5/Release-5.0-EarlyAccess CL-16682836 since this is a new feature of UE5.  The issue did happen ...

[CrashReport] UE4Editor_Engine!FSoundConcurrencyManager::RemoveActiveSound() [soundconcurrency.cpp:545]

UE - Audio - Oct 5, 2017

This is a common crash that has occurred since at least 4.15. The callstack is similar to [Link Removed], which was resolved in 4.16. User Descriptionsdisable sound concurrency Source Context 5 ...

Reimporting Static Mesh LODs yields unexpected material assignments

Tools - May 24, 2018

Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...

Incorrect relative location on client under certain attachment conditions

UE - Networking - Nov 30, 2021

An attached actor's relative location isn't correct on the client when the actor has its position changed to that of the parent actor before attaching with the "Keep World" location rule. On the cli ...

Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings

UE - Graphics Features - Mar 13, 2018

Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings Warnings do not appear to be linked to any visual/performance problems in the editor. Could be safely ignored. ...

Foliage's Landscape Layers are not reflected when Landscape is rotated

UE - LD & Modeling - Terrain - Landscape - Feb 19, 2020

This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected

UE - Gameplay - Blueprint - Aug 3, 2015

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...