FCDODiffControl doesn't properly account for lists of differing size.

UE - Gameplay - Blueprint - Sep 21, 2016

FCDODiffControl doesn't properly account for lists of differing size. The issues are marked in the following code:int IterOld = 0; int IterNew = 0; while (IterOld != OldProperties.Num() || IterNew ...

Unable to Edit Parameter in Instance After Converting Back From Constant

UE - Rendering Architecture - Materials - Sep 21, 2016

Converting parameters into constants will remove the Instance's ability to change the parameter's values. But changing them back into parameters does not update in the instance editor and they can n ...

Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...

Shadows Appear when Approached and Disappear when Distant on Movable Objects

Docs - Samples - Sep 21, 2016

While working on writing test cases for content examples, I discovered that the shadow behind certain objects appear and disappear depending on the distance from the camera. This might be similar ...

Ensures showing uncompressed animations in anim blueprints

OLD - Anim - Sep 21, 2016

Ensures occur when selecting Show > Uncompressed Animations in an animation blueprint. This was discovered when investigating [Link Removed]. So far I've only reproduced this issue with QAPawn_Ani ...

Launching from the editor can cause certain maps to become dirty and require saving and/or checkout

UE - Foundation - Core - Cooker - Sep 21, 2016

Using the launch option in the editor will cause some maps in the "List of maps to include in a packaged build" to become dirty and require checkout when in a project that is connected to source con ...

Negate Blueprint Macro Returning Original Value

UE - Gameplay - Blueprint - Sep 21, 2016

The Negate blueprint macros (NegateInt, NegateFloat) are returning the original value. Found in 4.12.5 CL 3039270. Reproduced in 4.13 CL 3106830 and 4.11.2 CL 2946394. ...

Crash exiting simulate in viewport

UE - Simulation - Physics - Sep 20, 2016

Crash occurs when the user stops simulating in viewport. ...

Crash in TMap struct deserializer

UE - Foundation - Core - Sep 20, 2016

When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...

Crash when trying to swap out a material with in a merged actor with LODs

Tools - Sep 20, 2016

Crash when trying to swap out a material with in a merged actor with LODs. The editor crashes when trying to change the material for the merged actor with LODs ...