Crash launching ES31 app on Android

UE - Platform - Mobile - Apr 9, 2018

This has occurred so far using ES31 with Launch On to Android. It didn't occur with ES2 or Vulkan.Error: === Critical error: === Error: Error: Fatal error: [File:D:\Streams\Fortnite_Staging\Engin ...

Different result from panner when connecting Time with Period

UE - Graphics Features - Apr 9, 2018

Panner results for a Time node and another Time node with period setting will not stay the same even when the period is set to be long and both Time nodes are outputting the same value. It looks li ...

[CrashReport] UE4Editor_Renderer!TSet<TTuple<UReflectionCaptureComponent const * __ptr64,FCaptureComponentSceneState>,TDefaultMapHashableKeyFuncs<UReflectionCapt set.h:629

UE - Graphics Features - Apr 6, 2018

No comments from users in crashgroup: 614 615 /** 616 * Finds an element with the given key in the set. 617 * @param Key - The key to search for. 618 ...

Sampling Scene Texture in Custom Expression in Post Process Material Breaks Viewport UV

UE - Graphics Features - Apr 6, 2018

This issue does not occur in 4.18.3 but does occur in 4.19 and Main, making this a regression. Per user: I suspect there's an issue with custom expressions and sampling coordinates. It appears onc ...

Setting max undilated frame time to a negative value crashes the editor

UE - Gameplay - Apr 6, 2018

In the world settings of any level, changing the max undilated frame time to a negative number results in the editor crashing. ...

Graphic Artifacts on AMD GPUs When Mesh is Scaled to Large Size

UE - Graphics Features - Apr 5, 2018

This issue has been observed in 4.18.3 as well as 4.19. See attached screenshot showing scene from 4.18 on Nvidia, compare to attached GIF showing same scene on AMD card. ...

If Mesh is Reimported When Clothing Data is Applied Clothing Data Can No Longer be Edited

UE - Simulation - Physics - Character - Apr 5, 2018

Clothing data can not be applied after the mesh that had clothing data already applied to it has been reimported Error message "Failed to bind clothing asset "nameofmesh"_0LOD1 is already mapped t ...

ProjectWorldToScreen always returns True

UE - Gameplay - Blueprint - Apr 4, 2018

ProjectWorldToScreen always returns true. User states: "This probably comes from that line of code : bResult = Player->PostProcessWorldToScreen(WorldPosition, ScreenPosition, bPlayerViewportRelati ...

Import options do not correspond to actual measurements with CAD imports

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 4, 2018

A Datasmith user has reported that the values for the import settings for CAD do not correspond to actual sizes. ...

Objects do not retain their names when being Imported from a datasmith file

UE - Editor - Content Pipeline - Datasmith - Exporters - Apr 4, 2018

When importing static meshes from 3Ds Max into unreal the names of the static meshes will be retained in the scene but not within the content browser. It appears to simply number the objects from 1 ...