Unreal Engine Issues
Unreal Engine Issues
SkyLight makes level entire green on Android devices
UE - Platform - Mobile - Aug 10, 2016https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...
Disabling Editor Sounds Doesn't Prevent Compile Sound From Playing
Tools - Nov 10, 2015Disabling the Editor Sounds under Editor Preferences->Level Editor->Miscellaneous->Sound->Enable Editor Sounds doesn't stop the Compile sound from playing when you click the Compile button in the ed ...
FAssetRegistry::SaveRegistryData fails check on redirected umaps
Tools - Feb 22, 2017When FAssetRegistry::SaveRegistryData() is invoked for a umap redirector it will fail the check check(!bIsMap || (InDependencyType == EAssetRegistryDependencyType::Soft)); Because the redirector ...
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 ...
BP - Nativization will fail at cook time if a BP class and a User-Defined Structure reference each other.
UE - Gameplay - Blueprint - Apr 20, 2017Note: This happens with "Exclusive" nativization mode as well. This occurs because the nativized UDS 'GetDefaultValue()' method is generated into a .h file rather than a .cpp file. This creates a c ...
[CrashReport] Ongoing CollectGarbageInternal() assertion in 4.17
Tools - Aug 22, 2017This callstack is occurring in 4.17.0 and 4.17.1, and appears to be a continuation of [Link Removed], which was fixed in 4.16.2 with CL 3502786. I'm not re-opening [Link Removed] because there are ...
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 ...
When importing Destructible Mesh chunks, the imported chunks are larger than the Mesh
UE - Simulation - Physics - Destruction - Mar 6, 2020The Imported Destructible Mesh chucks are not to scale when compared the original mesh and appear much larger. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.24.3 (CL ...