UReplicationGraph::InitializeForWorld needs to clear the global actor info map

UE - Networking - Dec 6, 2018

The global actor info map is not completely cleared in UReplicationGraph::InitializeForWorld, which can leave stale actor references from the previous level (WorldSettings, and possibly others) afte ...

Remote 2 fails to launch on iPad Pro 11inch

UE - Automation Test - Dec 6, 2018

Unreal Remote 2 is crashing on launch with new ipads.  ...

Foliage meshes doesn't follow the geometry planted on

UE - World Creation - Worldbuilding Tools - Foliage - Dec 6, 2018

When PCH is Disabled, Error Occurs in VulkanGenericPlatform.h at Android Build

UE - Graphics Features - Dec 6, 2018

If disable PCH in Target.cs, an error will occur when building for Android. The log is as follows. LogPlayLevel: Error: D:/Build/Release-4_21_0/Engine/Source/Runtime/VulkanRHI/Private/Android/../Vu ...

Crash on Linux and Windows with Vulkan when adding Atmospheric Fog to a Level

UE - Graphics Features - Dec 5, 2018

Adding an instance of Atmospheric Fog to a Level causes the Editor to crash on both Linux and Windows when using Vulkan. There is a different callstack when SteamVR is enabled on Linux which is also ...

Copy-pasted user created umg not updating if the template was modified

UE - Editor - UI Systems - Dec 5, 2018

When copying/pasting a user created Widget into another widget any changes made to the copy will change the main Widget without making any changes to the copy. ...

GetClassDefaults should expose object properties if they are not instanced

UE - Gameplay - Blueprint Editor - Dec 5, 2018

The current GetClassDefaults is overly restrictive in what it allows to be modified and not. Object properties that point outwards (i.e. non-instanced) should be accessible. ...

Changing Levels Does't Clear Global DistanceField

UE - Graphics Features - Dec 5, 2018

In a packaged game or standalone, if you change map with DFAO enabled the previous DFAO will still be visible. This does not occur in PIE. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4613 ...

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

UE - Simulation - Physics - Dec 5, 2018

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...

GameplayTag category filters do not function on BP SET nodes.

UE - Gameplay - Dec 4, 2018

BP SET nodes for FGameplayTags do not respect category filters, instead the dropdown shows an unfiltered list of all gameplay tags. Given the MyValue property decorated as follows: UPROPERTY(Edit ...