Unreal Engine Issues

Changing a variable during simulate will cause physics object to jump around

If a user has an actor that is simulating physics during simulation of play in the editor and they then change the value of a variable trough the details panel below the world outliner then the acto ...

Delay node after a Destroy node breaks blueprint string

When a delay node is placed after a Destroy node in a blueprint string, nothing after the delay node will trigger. Removing the delay will trigger following nodes. ...

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. ...

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 ...

Playing audio files in Editor doesn't work when Magic Leap Zero Iteration is enabled

When the "Enable Zero Iteration" and "Use ML Audio for Zero Iteration" settings are both checked, the audio doesn't play inside Unreal Editor. This happens in the following cases:Playing an audio fi ...

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 ...

Sizes of widgets are shown as their size before DPI scaling is applied after changing ScreenSize

If the user sets the screen size to iPhone 4s (640 x 960) A widget that is "Fullscreen" will be roughly 1080 by 1620 in size (as reported by the details panel). This is the size before the DPI scali ...

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 ...