Unreal Engine Issues

Auto Convex Collision will cause crash when using significantly small meshes

A hard crash can happen when applying auto convex collision to a complex mesh that is below a certain build scale or screen size. The meshes that cause this have higher poly counts and increasing th ...

Background blur missing with HDR CompositeMode 1

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

uv scale of materials on hollow BSP does not persist after building geometry

When creating a level with BSPs UV settings that are applied do not persist after building. Regression: Yes Working: CL-2386410 Broken: CL-2467323 ...

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

'r.StaticMeshLODDistanceScale' doesn't effect 'show LODColoration'

'r.StaticMeshLODDistanceScale' doesn't effect 'show LODColoration'. It does effect the actual performance of the LOD in the level but the LOD Coloration doesn't reflect the change. Licensee Descrip ...

Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event

When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...

Dragging and dropping new materials into Dynamic Material Instance slot results in crash

Creating a new theme is lost once the editor is restarted

Creating a theme is undone when restarting the editor. The .json file seems to become disassociated from the editor, the theme is reset back to the previous theme, and the new theme isn't available ...

GameplayEffects: Inherited UAssetTags and UTargetTags do not update their referenced tags correctly with inheritance

When inherited, it is reasonable to expect the tags added by the parent to be reflected in the children. If the parent is editted after the children, however, tags that are added or deleted are not ...

The origin appears to shift for 3D widgets when the anchors (in the widget blueprint) and the pivot (in the widget component) are changed

If The user is using an anchor that is not the top left and then changes the pivot of a widget component the result is a 3D widget that has an offset origin making it very difficult to interact with ...