Unreal Engine Issues

Input Mappings will expand collapsed categories when modified

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...

Spectator pawn and player state missing references to each other during replay playback

When playing back a replay, the spectator controller's pawn and player state are missing references to each other, which is usually handled in APawn::PossessedBy. ...

Realtime Rendering toggle disabled after using Cloth Painting

After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...

Background blur missing with HDR CompositeMode 1

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

[Submix][Recording] - Existing Sound Wave to Overwrite option has no effect

This is an old bug that looks like it never made its way into JIRA. Adding for documentation.  ...

Unicode Symbol issues on EditableText

Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1

There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...

Forward Rendering MSAA causes black outlines of meshes when partially occluding Sky Atmosphere

Single Frame Blendspace doesn't sample root motion

Single Frame Blendspace nodes don't correctly sample/generate root motion. The reason for this is because of how we calculate the delta to bump the sampling within the blendspace each frame. In a ...