Changing Value of Current Focal Length In Details Panel Has No Effect When Played in Standalone

UE - Graphics Features - Nov 14, 2017

In TestPawn_BP in the details panel, when Current Focal Length is changed, there is no visible change when played in Standalone Game. -Could not test in 4.17 due to the ARToolkit Component was not ...

Sine Wave audio plays choppy in editor

UE - Audio - Dec 4, 2017

Playing a sine wave as an audio sample in the editor produces a choppy sound when it does not outside of the editor. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...

iPadPro2 Splash Screen distortion on app Launch

UE - Platform - Mobile - May 7, 2018

iPadPro2 splash screen distorted on app launch. Looks like there is a fix for this in FN branch that can be brought over. Engine/Source/Runtime/ApplicationCore/Private/IOS/IOSAppDelegate.cpp http ...

GoogleVR rotational input stuttering after disabling stereo rendering

UE - Platform - Mobile - May 16, 2018

In a Google VR project, stuttering occurs when switching from stereo rendering to mono. Seems less like performance and more of a sensor input problem? 4.17 - No repro 4.18 - Unable to package (Ma ...

Animations don't update on the first frame of shots

UE - Anim - Sequencer - Jul 11, 2018

Looks like this only happens for shots. I think this is because the tick prerequisites get set up on the frame of evaluation, and the skeletal mesh component doesn't get ticked until the next frame. ...

FTransform(ENoInit) ensures in Debug on mobile platforms

UE - Foundation - Core - Sep 25, 2018

As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...

Landscape Paint Layers will not scroll to the end when using mouse wheel

UE - LD & Modeling - Terrain - Landscape - Sep 28, 2020

In a normal detail panel, each element has its own SDetailSingleItemRow and are mostly uniformly sized with some exceptions of having a few bigger rows (i.e. asset pickers). However, these layers ar ...

[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding

UE - Audio - MetaSounds - May 20, 2022

It's possible to have the Audio Meter widget stop responding if you set the Gain really high. It will cease to work as long as the MetaSound window is open. Closing and reopening the MetaSound windo ...

Nanite displacement on landscapes not rendering on 5700XT

UE - Graphics Features - Nanite - Mar 27, 2024

This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur  Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...

Ensure opening TM-ShaderModels in DirectX10

UE - Graphics Features - Jul 11, 2017

Ensure occurs opening TM-ShaderModels in DirectX10. This does not occur in 4.16.2 ...