FOnlineAsyncTaskManager may not process Parallel Tasks if there's no Active Task.

UE - Online - Jan 24, 2018

FOnlineAsyncTaskManager::Run waits for the WorkEvent to trigger before it will tick. However, this event only gets triggered if there are new Available Tasks. Therefore, even though there may be pe ...

[CrashReport] UE4Editor_CoreUObject!UStruct::IsChildOf() [class.h:373]

UE - Gameplay - Jan 24, 2018

Comments from users:I pressed Play while having a directional light selected in-editorChanged landscape collision mip level. ...

[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2305]

UE - Gameplay - Jan 24, 2018

Comments from users:I was simply syncing my project with the git repository at the end of it, it crashed with this errorperforce resync ...

Audit usage of StaticClass() in AssetMappingTable and AnimationAsset code

OLD - Anim - Jan 24, 2018

A user has pointed out that code in AssetMappingTable.cpp and AnimationAsset.cpp are using the StaticClass() method on pointers. Because StaticClass is a static method, it relies on name hiding to ...

In Pose Pin Does Not Immediately Appear for Sub Anim Instance Node

OLD - Anim - Jan 24, 2018

The Sub Anim Instance pin does not appear automatically when the Anim Blueprints are connected in the order listed above. If done in another order the "In Pose" pin appears. ...

[CrashReport] UE4Editor_CoreUObject!StaticConstructObject_Internal() [uobjectglobals.cpp:3144]

UE - Gameplay - Jan 24, 2018

No user comments in crash group ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11Result() [d3d11util.cpp:233]

UE - Graphics Features - Jan 24, 2018

No user comments ...

Ensure after undoing the translation of a copy and pasted landscape

UE - LD & Modeling - Terrain - Landscape - Jan 24, 2018

This is occurring in both 4.18 and 4.19 release branches. ...

Blueprint nativization does not properly convert references to other Blueprint class types marked NotForServer/NotForClient during export tagging.

UE - Gameplay - Blueprint Compiler - Jan 24, 2018

Example: Widget Blueprint classes do not get nativized for WindowsServer configs when 'Load Widgets on Dedicated Server' is false (i.e. NeedsLoadForServer() returns false). As a result, if another c ...

UE4 Crashes if multiple Vive Trackers or Lighthouses are used

UE - Platform - XR - Jan 24, 2018

User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...