Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open

UE - Gameplay - Blueprint Editor - Jun 7, 2021

A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...

LODbias settings appear to have no effect when specified by GPU on android

UE - Platform - Mobile - Oct 3, 2019

When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...

MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel

UE - World Creation - Worldbuilding Tools - Feb 21, 2025

The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...

Shader Complexity not working correctly on Deferred Decals

UE - Graphics Features - Sep 3, 2020

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.

UE - World Creation - Worldbuilding Tools - Aug 6, 2025

Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...

Property Coloration isn't supported for Nanite

UE - Graphics Features - Nanite - Sep 11, 2023

Property Coloration View Mode is not supported by Nanite. (Left cube is Nanite and isn't affected by the Property Coloration view mode) [Image Removed] ...

Adding Images: The image header is unrecognized

RC - Editor - Feb 14, 2025

This issue occurs only on Windows 11 24H2, but it affects all RealityCapture versions on this OS. It is allso not possible to open the images with the Windows Photos App.  ...

Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps

UE - Graphics Features - Feb 18, 2025

Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps even though the valu never affect light baking process in Lightmass. ...

NPC - Texture Sample DI does not work on Niagara Parameter Collections

UE - Niagara - Nov 8, 2023

Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this.  ...

Enabling SunPosition engine plugin causes a missing file warning in a packaged build

UE - Editor - Content Pipeline - Apr 18, 2024

Licensee noted that editor-only code from the Sun Position Calculator engine plugin was causing a warning in packaged builds. A similar issue was reported for 4.22 [Link Removed], but this appears t ...