Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor

UE - Graphics Features - May 29, 2025

In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...

Large Landscapes using World Composition have weird LODs when streamed out and back in

UE - World Creation - Worldbuilding Tools - World Composition - Mar 13, 2020

When World Composition Sublevels are streamed out and back in the LODs appear distorted. This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview ...

Adding Components via Editor Utility Widgets does not add component to Details panel

UE - Framework - Blueprint Editor - Nov 14, 2022

Using the Editor Utility Widget to add components to objects in UE does not appear to function as expected. I reproduced this 8/8 times in UE 5.1, 5.0, and 4.27, confirming that this is not a regres ...

iOS ReplayKit isn't working in UE5.1+

UE - Platform - Apple - Apr 21, 2023

In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...

Crash when applying Post Process SceneTexture and VertexInterpolator as emissive color

UE - Rendering Architecture - Materials - Jun 22, 2021

When selecting apply after connecting a Post Process SceneTexture and a VertexInterpolator into the emissive color node a crash occurs. This issue is occurring in Binary //UE5/Release-5.0-EarlyAcce ...

CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member

UE - Audio - MetaSounds - Jun 26, 2023

Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1  UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...

ASan on iOS is broken

UE - Platform - Apple - Mar 1, 2024

Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...

Root Motion interpolation is incorrect when use URO

UE - Anim - Runtime - Aug 3, 2018

According to Licensee's report, Root motion is incorrect when use URO. I Investigated, in the case of "Montages Only" become TrailMode in URO. Normally Animation Interpolation has implementation, ...

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 ...