Unreal Engine Issues

Level instance edit mode changes actor transforms

BlackmagicMediaSource causes a memory leak if "Just-In-Time Rendering" option is ON.

Since 5.3, BlackmagicMediaSource causes a memory leak. This didn't happen on 5.2. You can see the leak on PIE. [Image Removed] [Image Removed] If "Just-In-Time Rendering" option in the MediaB ...

GI not coming in with lighting build data when lighting built outside of main scene

Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...

Keyboard shortcut for Snap to 2D Layer functions when Layer Snapping is disabled

Using the Ctrl+Spacebar shortcut will snap an actor to a 2D layer even if Layer Snapping is disabled in the project settings ...

Step/Stop/Resume buttons change positions on blueprint editor window when stepping through blueprints

While stepping through blueprints utilizing breakpoints, the step/stop/resume buttons often change places slightly depending upon which nodes are being stepped through. This can be problematic while ...

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. ...

Pressing Play/Simulate on Window without Focus does not Function on Mac

If a user attempts to 'PIE' within a window that does not currently have focus, the 'PIE' will not execute. The user provided a video on his answerhub post which illustrates the issue clearly. In ...

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 ...

Draw HUD shows in the wrong location on Android

Event Receive Draw HUD renders in the wrong location when using GearVR. In the PIE the location is correct, but not when rendered on the device. See images for better context. This is a regressio ...