Removing a key from a Enum Map variable causes duplicate keys to remain

UE - Gameplay - Mar 3, 2017

Removing a key from a Enum Map variable causes duplicate keys to remain. It doesn't seem to happen if the removed key is the first and last key, but only with the middle keys. For example: A (Remo ...

Vulkan is crashing on S7 Mali

UE - Platform - Mobile - Mar 10, 2017

Projects packaged for Android using Vulkan are crashing on S7 Mali devices. This is not happening in 4.14. ...

Flight stick input is not read consistantly

UE - Gameplay - Input - Apr 3, 2017

When using a flight stick as a raw input device, GenericUSBController Button # blueprint events will sometimes not be registered when clicked. In local testing, this occurred roughly once for every ...

iOS movie become laggy and crashes when played in iPhone 6/6s.

UE - Platform - Mobile - Feb 24, 2017

Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...

With "Use Default Sample Rate" disabled, animations with 24fps get resampled to 30fps

Tools - May 30, 2017

With "Use Default Sample Rate" disabled, animations under 30fps get resampled to 30fps ...

Gridlines Draw On Top of any sprite or mesh with a Translucent material in an orthographic viewport

UE - Graphics Features - Jul 10, 2017

When viewing Translucent Sprites or Unlit Translucent assets while in Lit viewmode, the viewport grid always draws on top of the object(s). ...

User project crashes after changing struct

UE - Gameplay - Blueprint - Aug 10, 2017

Skeletal mesh collision skewed on mirrored meshes

UE - Simulation - Physics - Jan 9, 2018

[Link Removed] Collision on mirrored skeletal mesh does not match mesh. (has same position, but different orientation) Also occurs on latest (3827667) Also tested and occurring with Skeletal Mesh ...

Aperture Value in Lens category of CineCamera has no effect

UE - Graphics Features - Mar 15, 2018

Aperture Value in Lens category has no effect ...

Extreme hitching when using profile command (stat startfile) + other stat commands

UE - Foundation - Core - Apr 19, 2018

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...