Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters

UE - Editor - UI Systems - UMG - Jul 14, 2023

When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...

Level Sequence with Media track hangs when scrubbing the timeline

UE - Media Framework - Aug 24, 2023

Adding a media track(.mp4/avi) into a level sequence causes the editor to hang when scrubbing the timeline, or enabling/disabling the media track. ...

Custom Water Body does not work with its own Distance Culing

UE - Graphics Tools - Terrain - Water - Sep 14, 2023

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

Landscape layers ending with _0, _1, etc. don't work

UE - Graphics Tools - Terrain - Landscape - Oct 19, 2023

Result : only the layer not ending with _0 or _1 will actually render (i.e. Layer0 in the previous example) Expected result : all 3 layers can be painted, no matter their name ...

HDRi Backdrop Animation in Sequencer

UE - Anim - Sequencer - Apr 5, 2024

HDRIBackdrop objects cannot be rotated in Sequencer. This issue can be resolved by setting the "Run Construction Script in Sequencer" checkbox to True in the "HDRIBackdrop" blueprint. If HDRI Back ...

Investigate Actors assigned to both partitions

UE - World Creation - Worldbuilding Tools - HLOD - Oct 31, 2024

Undoing Replace Actor on Level Instances do not reload the Level Instance

UE - World Creation - Worldbuilding Tools - Level Instances - Jan 14, 2025

Undoing Replace Actor on a Level Instance does not properly reload the previous Level Instance. ...

Anisotropic reflections are not visible in all player views during local multiplayer split screen

UE - Graphics Features - Mar 7, 2025

When playing in a split screen local multiplayer game the anisotropic reflections differ between players when looking at the same object. It appears as the anisotropic light scatter is not applied ...

MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample

UE - Rendering - Graphics Features - May 28, 2025

A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...

Virtual texture thumbnails appears brighter (incorrect sRGB/gamma) in content browser after asset is loaded

UE - Editor - Dec 9, 2025

This is a regression, it worked correctly up to UE 5.5 but behaves incorrectly in UE 5.6 up to latest. When a regular texture with sRGB enabled is converted to a virtual texture, its thumbnail in t ...