Unreal Engine Issues

Actors attached to Spring Arm with rotation lag avoid pitches of 90 and -90 degree

From User Bug Submission: When an actor/component (e. g. a camera) rotates around another object using the rotation lag of USpringArmComponent, it cannot rotate to the top or the bottom. At these ...

Collision does not work on Static Mesh created from BSP

After applying a Linear Stair brush to the editor and creating a Static Mesh from that brush, then setting its Collision Preset to BlockAll, the third person character is not able to walk up the sta ...

Objects are not cleaned up after gc when dragging a propery on a blueprint that reruns construction scripts

It appears that the editor's memory usage can jump by as much as a 1GB when using a spinbox in the editor. This also has the side effect of causing the editor to freeze/hang temporarily Note: The j ...

Naming a category for a function the same name as a function can cause the My Blueprints tree to display incorrectly (making the category heading look like a function)

Rebuild (with hot reload) fails on newly-created projects

Performing a Rebuild with a hot reload on a brand new code project will fail unless both the Editor and Visual Studio have first been closed and then re-opened. The same result occurs if a Clean is ...

Eyedropper in the Color Picker window does not grab any color values on Mac/Linux

Trying to use the eyedropper in the color picker window on Mac fails to grab any color values. The colors will only update when hovering or clicking within the viewport but the colors shown aren't c ...

Soft references not showing up in Reference Viewer

Soft references are not showing up in the reference viewer. ...

Property changes are ignored for instanced UObjects that exist in components

When a component class contains an instanced reference to a UObject class that is EditInlineNew, adding the component to an actor makes the UObject properties uneditable in instances of the actor. ...

Saving SubLevel Using Levels Tab Destroys Map Build Data Registry

When a Sub Level is currently open (meaning it is listed as the persistent level in the levels window) and you save the level using the levels window the map build data registry will get destroyed. ...

Child rotation appears to change when parent is negatively scaled and the map is saved using "Save Current" button

Child rotation appears to change when parent is negatively scaled and the map is saved using "Save Current" button. If this is then followed up by re-opening the map, the user's asset will experienc ...