Unreal Engine Issues

Niagara mesh particles have incorrect normals when scaled

Niagara mesh particle normals do not match those of static mesh actors. ...

Crash calling user-function in non-editor

Crash occurs when attempting to call native Pre-Construct in the attached project. ...

Landscape Component LODBias parameter is broken

Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer

This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24).  In Sequencer: [Link Removed] In Maya: [Link Removed] ...

The behavior of translucent sorting is different between 4.23 and later.

Also, from 4.23 onwards, if you move the mesh back and forth, the order of the  translucent sort will be switched. ...

UMG Slider displays long or wrong percentages when Step Size is set to 0.1

When the Step Size is set to 0.1 for a Slider and Slider value is multiplied by 100, it will display weird numbers when moving the slider back from 100%. Changing the Step Size to 1 and changing th ...

Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state

With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

Canvas Render Target 2D doesn't get alpha mask when rendering with ES3.1

The Alpha Mask on a Canvas Render Target 2D no longer appears when rendering with ES3.1. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 7 (CL-12759524) ...

[Feature Request] Update UE4 Tutorials to account for new Modes workflow

Modes workflows were updated in 4.25. This change removed the traditional Editor modes from the single, static Modes Panel and moved them into a combo box on the Level Editor Toolbar. Entering a mod ...