Unreal Engine Issues
Unreal Engine Issues
Nullptr dereference in FHeadMountedDisplay::UpdateSplashScreen()
UE - Platform - XR - Apr 5, 2017A customer has had problems running a game with a splash screen when passing -game flag to the editor. UpdateSpashScreen will call GetCurrentFrame, which can return a nullptr but fails to verify it ...
Color and Opacity animation option does not play for Button component
UE - Editor - UI Systems - Aug 25, 2017Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...
Packaged builds don't copy over plugin config files
UE - Foundation - Cpp Tools - Plugin System - Nov 21, 2017We currently do not copy over the Config folder when we are packaging a plugin for inclusion with a packaged game. This is likely because we haven't supported plugin config files in the past, but th ...
iPadPro2 Splash Screen distortion on app Launch
UE - Platform - Mobile - May 7, 2018iPadPro2 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 ...
Animations don't update on the first frame of shots
UE - Anim - Sequencer - Jul 11, 2018Looks 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, 2018As 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, 2020In 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 ...
HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.
UE - Rendering Architecture - RHI - Sep 6, 2021After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...
"PivotPainter_PerObjectData" node's "Random Value Per Element" output crashes with an assertion when used with a "Cross" node
UE - Rendering Architecture - Materials - Jan 31, 2022This is a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0 CL18747223 GitHub When using the Random Value Per Element from a PivotPainter_PerObjectData with a Cross nod ...
[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding
UE - Audio - MetaSounds - May 20, 2022It'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 ...