Unreal Engine Issues

Huge performance hit when recording a demo (demorec)

The current engine version (4.22) seems to suffer a huge performance hit when using the demo recording (demorec) feature. This issue is present in both the editor and the packaged game (developer bu ...

Editor Content remains visible in 4.25 preview when set to hidden

Editor Content remains visible when selecting a Static Mesh for a Cube Actor in 4.25 preview even after setting Engine content to hidden.  ...

Selecting All Actors and then moving them results in the children being offset from parents

When using Select All, the children are selected as well. When you move the actors, the children begin to move at different rates than the rest of the actors, resulting in them being offset when you ...

[Dynamics Processor][Audio Bus Sidechain] - Audio Bus Sidechain doesn't function the second time a sound is triggered

Retriggering a sound using an Audio Bus as a sidechain on a Dynamics processor seems to not uses the sidechain. The sidechain will start working again if it's reset on the Dynamics Processor effect ...

Notify selection in Persona breaks with custom windows display scaling

The notify panel in the animation editor doesn't currently support windows display scaling. If the user changes the display scale to something like 150% then selection of notifies is inaccurate. T ...

Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled

Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...

LogUMG: Error: The requested size for SRetainerWidget is 0. W:739 H:0 when opening or updating a curve using the StackedCurve view

The following error is generated in the Output log whenever a Wave Table is opened or any of the graphs are modified. It also occurs when adding an Input to a Sound Modulation Parameter patch or add ...

Ensure occurs while duplicating world partitioned level by WorldPartitionRenameDuplicateBuilder commandlet

The level seems to have been successfully copied. ...

MoviePipeline: Field of View doesn't match viewport when using the Squeeze Factor property

Lumen doesn't use correct sky light settings when GI scalability changes from Low to High

When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture.  No ...