Unreal Engine Issues

AR Core - Apps with Candidate image result in black screen on first launch

On first launch of an AR app with Android the camera passthrough will render black. This also happens if an app is minimized and re-opened. This will not repro if there is no candidate image assign ...

BinaryConfig cannot be created in packaging if there is a space in the file path name.

Error log is output when including spaces when packaging binary configurations. The following log contains the string "Test Test" with spaces in the file path. ERROR: Failed to copy D:\Projects\Te ...

Crash in Middle of PIE with Level sequences and MRQ running

Repro Rate: 5/5 Tested this a few times and the crash seems to come in at different intervals, some had the prestreaming almost finished, then would crash. Working on a video to show crash to add ...

Material functions should be able to output the same data as it can accept as inputs

Material Functions cannot output Texture Objects or Booleans. This seems to be because the Material Editor believes that the outputs are Floats, and forbid connections to inputs that take Textures ...

Selecting multiple platforms to package in UFE may result in not all of the selected platforms being packaged

A user stated that when trying to use UFE to package for WindowsNoEditor, WindowsServer, LinuxNoEditor, and LinuxServer, not all of the platforms were actually being packaged. LinuxNoEditor was bein ...

Unexpected behavior with Broken Constraint and Physics Blend Weight

Looks like the position of the bone according to the animation is still being accounted for somehow, because the collision seems fine (when using pxvis collision). ...

When the AppleProRes plugin is enabled, the playback speed of the video changes in the MediaTrack sequencer.

Complex Collision as Simple causes odd Overlap behavior

When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...

Parent Begin Play node does not appear to run the parent code class BeginPlay() function before the rest of the Blueprint's Begin Play functionality

If a Blueprint event graph contains a Begin Play node that connects to a call to the parent function, the functionality present in the Blueprint Begin Play segment is run before the parent Begin Pla ...

With Use Fixed Frame Rate turned on, time-based elements of the Editor appear to operate at incorrect rates.

Turning on the Use Fixed Frame Rate option for a project causes time-based elements of the Editor to operate at incorrect rates. ...