Ensure occurs when turning on Constraints in Advanced Show Flags

UE - Graphics Features - Jan 11, 2017

An ensure occurs when Constraints are toggled on in the show options. Note After the ensure, you can toggle Constraints off and on freely This is a Regression from 4.14.3 ...

Advanced Vehicle Template FirstPerson camera position is different between C++ and Blueprint versions

Docs - Samples - Feb 2, 2017

The camera positions for firstperson mode in advanced vehicle template are different between the code and blueprint versions This is not a regression as it happens in 4.14.3 ...

Skeletal meshes are not simulating physics

UE - Simulation - Physics - Feb 6, 2017

Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...

Some components duplicated by Sequence Recorder

UE - Anim - Sequencer - Feb 23, 2017

Some components duplicated by Sequence Recorder Regression: YES Worked: 3249277 (4.14.3) Broken: 3299760 (4.15.0) ...

Crash On Launch When Using Leap Motion Character

UE - Platform - XR - Mar 1, 2017

The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...

Deadlock in FXAudio2Device::UpdateAudioClock() whenever a KVM is used to switch to another input

UE - Audio - Mar 7, 2017

I have 3 machines with one set of keyboard, mouse, and monitors. Switching between machines is required during long running tasks such as cooking. ignore-Switch ...

Static Mesh Navigation Collision Properties Not Being Saved Correctly

UE - AI - May 10, 2017

Setting properties for a static meshes Navigation Collision and then reopening the mesh causes them to be reset. This does not appear to occur in 4.14.3. This is a regression. ...

Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode

Tools - Jun 2, 2017

When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalVertexBuffer::FMetalVertexBuffer()

UE - Graphics Features - Jul 25, 2017

This is a common Mac crash that has affected users since at least 4.14. Unfortunately users have not provided any descriptions of their actions when the crash occurred. ...

Calling SetNavigationRule for widgets at runtime does not update the Nav Rule

UE - Editor - UI Systems - Sep 25, 2017

Calling SetNavigationRule at runtime does not update the widget navigation of the selected widget. Regression: No - same behavior occurs in 4.16.3 (CL 3561208) ...