Assert message in TArray::CheckAddress is not appropriate for all situations

UE - Foundation - Core - Mar 21, 2017

The assert message in CheckAddress is as follows:"Attempting to add a container element (%p) which already comes from the container (%p, ArrayMax: %d, ArrayNum: %d, SizeofElement: %d)!" This assert ...

[CrashReport] Crash can occur when applying Apex cloth to a Material slot

UE - Simulation - Physics - Character - Mar 21, 2017

No known crash with users I had been in contact with on the latest PhysX plugin for 3dxMax or Maya. I've had a few posts dealing with using Apex and assigning cloth assets with no crashing so I feel ...

material editor: Auto variable name generation bug

UE - Rendering Architecture - Materials - Mar 21, 2017

If you create a parameter collection node in a material and select a parameter from the drop down and then copy and paste that node a _1 will be appended to the end of the parameter collection varia ...

Clearing text property from a Text widget won't work the first time

UE - Editor - UI Systems - Mar 21, 2017

It currently takes two attempts to clear the default text from a Text Block widget. The first time you try, the property will repopulate with the previous string. ...

Engine build fails in Visual Studio 2017 if Visual Studio 2013 is also installed on the same computer

UE - Foundation - Build - Farm - Mar 21, 2017

Attempting to build the Engine using Visual Studio 2017 will fail if Visual Studio 2013 is also installed on the same computer. If Visual Studio 2013 is uninstalled, or if the computer has Visual St ...

Property won't be force synced when re-enabling replication.

UE - Networking - Mar 21, 2017

It seems like if replication is re-enabled for a given property, its state should be force synced (depending on replication conditions). Otherwise, the state will remain "out of sync" for an indeter ...

Editor Crash when adding element to TMap with FIntVector key

UE - Gameplay - Blueprint - Mar 21, 2017

Declaring a TMap with an FIntVector key (ex: TMap<FIntVector, int32>) will cause the editor to crash when adding an element to the map. ...

Crash when creating a key in a blackboard with a name longer than 1024 characters

UE - AI - Mar 21, 2017

Black board key names that are longer than 1024 characters will cause a crash ...

Standalone window goes behind other windows when using a combination of Set fullscreen mode and Apply Resolution settings

Tools - Mar 20, 2017

Standalone window goes behind other windows when using a combination of Set fullscreen mode and Apply Resolution settings ...

CrowdManager never calls StartUsingCustomLink() on Agents when Custom NavLinks are Placed in the Level and Traversed

UE - AI - Mar 20, 2017

StartUsingCustomLink() never gets called in the CrowdManager when an AI with a UCrowdFollowingComponent begins to traverse a NavLinkProxy that has been placed in the world. The link UserID always r ...