Alt-tabbing out of a Standalone App or packaged version of a game does not trigger LostFocus or ReceiveFocus

Tools - Sep 9, 2015

If a user uses Alt-tab to change to another window, the ReceivedFocus and LostFocus functions are not called as they would usually be called when using something such as Shift+F1 or Ctrl+Esc. Note: ...

Simple Move in sublevels does not properly function

UE - AI - Sep 14, 2015

Using simple move to location in sublevels causes the blueprint not to respond or function correctly. ...

Unable to Open Level in HTML5

UE - Platform - Mobile - Mar 16, 2016

Trying to use an Open Level function in HTML5 does not allow the level to actually load. Instead, the project flashes and refreshes back to its original position. Open Level function does work on W ...

Open Level is not working properly on mobile devices

UE - Foundation - Core - Cooker - Dec 28, 2015

Projects created with an 'Open Level' node added within their blueprint are not working correctly on mobile devices. They do however work on Mobile PIE, PIE and Windows. Occurs on: 2894_SamsungGala ...

PostActorCreated Called twice when dragging asset into the level

Tools - Nov 30, 2015

When dragging an actor from the content browser to the level viewport, PostActorCreated() is called twice, once as the actor enters the viewport while still being dragged and again when the LMB is r ...

Source build does not compile if OS is set to Turkish

UE - Foundation - Core - Dec 14, 2015

Attempting to build the editor from source will fail to compile in VS if the computers Region format / Language is set to Turkish. This is caused by #ifndef Identifiers being translated incorrectly ...

ClientRPC function can be called prior to BeginPlay being called.

UE - Networking - Feb 11, 2016

When creating a new actor at run-time through code, it's possible for RPC function to be called before the new actor's BeginPlay is called. ...

Compiling multiple projects with DebugGame will cause subsequent builds to fail

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 8, 2016

If two projects are both built using the DebugGame solution configuration, the first project will fail to compile in DebugGame again due to Unresolved External errors. It seems when DebugGame is co ...

Setting a subcategory in a UPROPERTY does not display properly in associated blueprint's Details tab

Tools - Feb 8, 2016

When using the "|" operator to separate "Category | Subcategory" inside a UPROPERTY, a blueprint based on the class will show Category | Subcategory AS the category name instead of listing a categor ...

PhysX crash when SetMaterial is called

UE - Simulation - Physics - Mar 14, 2016

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...