Video material broken on Mac M3+ (sm6)

TM - Rendering - Oct 21, 2025

On Mac devices, the video material in the viewport will display incorrectly, appearing stretched significantly. This only seems to affect the viewport and not rendered exports. ...

Using TInlineAllocator with a large number in TArray that is in an AActor class will cause child Blueprint class to call an assert while parent class will not

UE - Foundation - Core - Jul 22, 2016

If a TArray has a TInlineAllocator with a large number and the class is used with a child Blueprint, the editor will throw an assert. If the base C++ Class is used instead of the Blueprint, the asse ...

Unable to read Stat FPS text on Samsung S6 Edge

UE - Platform - Mobile - Oct 28, 2016

This is only occurring on the Galaxy 6 Edge. Was tested on multiple iOS and Android devices and could not repro Galaxy S6 Edge_6714 OS: 5.0.2 ...

App crashes when walking off the edge of the platform in QAEntry on tvOS and iOS

UE - Simulation - Physics - Oct 10, 2016

App is crashing when walking off the edge and the player ragdolls tvOS 10.0 iPhone6S+_6241 OS: 9.3.5 Did NOT occur on SamsungS7_8344 ...

OSVR crashes UE4 on exit of -game -vr

UE - Platform - XR - May 6, 2016

Found on: //UE4/Dev-VR CL-2967563 Sometimes (3/5), when exiting -game -vr with the OSVR running, UE4 will crash. ...

[CrashReport] UE4Editor_TextureFormatDXT!FNVTTCompressor::FNVTTCompressor()

UE - Foundation - Core - Cooker - Dec 1, 2017

This is a common crash that has occurred since at least 4.12. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed]. ...

[ Rhino ] Rhino 6 files are not importing correctly in DataSmith

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 12, 2018

Geometry from a Rhino 6 file is not importing correctly. When imported it has holes and tears in the mesh. The same file saved as Rhino 5 and imported looks fine. ...

Small seams in a rescaled Landscape between all the Landscape Components

UE - Graphics Tools - Terrain - Landscape - Jan 18, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Small seams in a rescaled Landscape between all the Landscape Components. This only happens when scaling specifically to this value. ...

The transform of a Virtual Bone can be changed in the Skeleton but isn't preserved

UE - Anim - Runtime - Jan 23, 2023

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 The transform of a Virtual Bone can be changed in the Skeleton but isn't preserved this has caused some confusion with users. ...

Data validation fails after renaming a Blueprint Actor while the Game Features Plugin is enabled

UE - Editor - Jan 31, 2023

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Data validation fails after renaming a Blueprint Actor while the Game Features Plugin is enabled. ...