Unreal Engine Issues

Transparency applied through widget animations do not work on 3D Widgets

If the user creates a widget with an animation that fades the widget out. This effect will not carry over into a 3D widget. The 3D widget goes directly from 1 to 0 or visa versa. ...

Volumetric Translucent Shadow visibility artifact

Volumetric Translucent Shadow has artifacts when using some nodes like noise when clamped between 0,1. This happens with other nodes as well. When using a basic alpha mask or constant value there ...

Interpolators of Particle Dynamic Parameters Need "nointerpolation".

Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...

r.setRes does not Allow true fullscreen on Mac

While playing in editor, executing the Console Command: "r.setRes 1920x1080wf" produces the exact same results as "r.setRes 1920x1080f" which is to create a fullscreen window with a border across th ...

Crash when moving map assets used as level instances

Precise Click is not working correctly with Buttons

A licensee reported an issue where a recent change to SButton.cpp in 4.13 causes an issue with Precise Click in multiple situations, his example being the one described in the repro steps, which is ...

Gamepad continues to control editor menus during Mobile PIE session

When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter. They can still be selected via the bone name hierarchy. Reproduces in the following://UE5/Release-5.1 CL 2390901//UE5/Re ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...

Crash after Clearing Sound Wave Asset and Deleting Media Player from Content Browser

A crash occurs when deleting a Media Player asset from the Content Browser that contained a previously referenced Sound Wave asset. This issue does not occur in any past engine versions as the prev ...