Resizing an Editor window on a Mac by dragging the edge of the window results in the edge being dragged bouncing back and forth as it is adjusted

UE - Platform - Apple - Aug 16, 2017

When dragging the edge of an Editor window to resize the window on a Mac, the edge that is being dragged will bounce back and forth as the mouse moves to resize it. This was less noticeable in 4.17, ...

Materials Using the Time node have a different time when used in a widget than those applied to object in the level

UE - Editor - UI Systems - Aug 16, 2017

The time on a material that is used in UMG does not sync up with the time provided in the same material when used on an object in the scene. The time continues to tick up from the time the editor is ...

Setting Lights, Static Meshes, and Actors to movable creates lighting error

UE - Graphics Features - Aug 15, 2017

There is an error that is occurring when using movable lighting with objects and actors that are also set to movable. This issue does not occur with objects or lights that are NOT set to movable. V ...

Deactivated Skeletal Mesh Component Plays Animation

UE - Gameplay - Components - Aug 15, 2017

Animations on skeletal mesh components set to use an animation asset still play even when the component is deactivated. Found: 4.17 Reproduced: 4.16.3 & 4.18 Main CL# 3585944 ...

[CrashReport] UE4Editor_Engine!FDefaultMaterialInstance::GetMaterial() [material.cpp:243]

UE - Graphics Features - Aug 14, 2017

This is a trending crash coming out of the 4.17 release that also occurred with some frequency during 4.16. User DescriptionsTrying to apply a material (Normal, Metallic&Roughness, and Basic)I was ...

Third person character does not provide velocity in the z direction

UE - Gameplay - Player Movement - Aug 14, 2017

The Velocity in the Z direction does not change (unless the character jumps) when using "Get Velocity" on the character from the third person template. ...

PSD imported texture has white for texels with 0 alpha, resulting in bilinear interpolation artifacts

UE - Editor - Content Pipeline - Import and Export - Aug 14, 2017

Texture viewed in texture viewer has white fringes [Link Removed] This appears to be caused by transparent texels having white stored for their color, which causes artifacts with bilinear interpol ...

Chained physics constraints do not work correctly when one constraint is limited

UE - Simulation - Physics - Aug 12, 2017

A chain of physics constraints that includes a physics constraint that is set to Limited does not work correctly. When collision occurs, the attached actors start moving erratically. Regression?: N ...

Actions opening code files don't bring Visual Studio to the foreground if it's already open

Tools - Aug 11, 2017

In the editor, any action that opens a code file will not bring Visual Studio to the foreground if it's already opened. This was tested with:Right-click asset > Open header file.Clicking Parent Cla ...

Go To Definition fails quietly for Native functions with no definitions

UE - Gameplay - Blueprint Editor - Aug 11, 2017

Go To Definition fails for Set and Map Utility nodes (does not seem to affect Arrays). A warning similar to the following appears in the output log:LogSelectionDetails: Warning: NavigateToFunctionS ...