Low res textures (MobileContentScaleFactor) on iPad Pro 10.5"

UE - Platform - Mobile - Jul 31, 2017

There's no device profile to set MobileContentScaleFactor for iPadPro 10.5". It picks up other rendering settings properly from the iPadPro family, but this doesn't set MobileContentScaleFactor. T ...

Deadlock running anim modifiers that affect bone tracks on multiple sequences

UE - Anim - Runtime - Mar 11, 2025

Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...

iOS 14.5 - Code Signing Version No Longer Supported

UE - Platform - Mobile - May 3, 2021

Using the remote build process (making an iOS build from Windows with a remote Mac) no longer functions properly on iOS 14.5 devices. It's possible to create an ipa, but it's not actually possible ...

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings

UE - Gameplay - Apr 16, 2015

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor

UE - Simulation - Physics - Feb 20, 2018

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...

Opening Sprite assets or Paper Flipbook crashes the engine in 5.3

UE - Gameplay - Paper2D - Apr 16, 2024

Licensee was not able to open any Sprite asset file in 5.3 without it causing a crash. They were able to avoid this by disabling raytracing in the project. ...

[Bug] 4.7.0 preview 5: Cannot add events for the main component of the SkeletalMeshActor

UE - Gameplay - Blueprint - Feb 9, 2015

In UE4.7 Preview 5, cannot add events for the main component of the SkeletalMeshActor. (see screenshot.) ...

HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer

UE - World Creation - Worldbuilding Tools - HLOD - Sep 6, 2016

There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...

Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers

UE - Editor - UI Systems - UMG - Dec 5, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers. This onl ...

nDisplay VIOSO Projection Policy broken since 5.0.3

UE - Virtual Production - nDisplay - Nov 25, 2022

Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...