Invalid object while verifying cluster assumptions during ShooterGame replay with matinee actor

UE - Anim - Sequencer - Apr 21, 2021

This seems to be caused by the matinee actor on Highrise and only appears to be reproducible in a packaged build of ShooterGame, not from the editor. See attached UDN for more information. ...

URigVMBlueprint::CompileLog can spam the editor log when verbosity is set to Log

UE - Anim - Rigging - Control Rig - Jul 21, 2023

It seems that URigVMBlueprint::CompileLog is spamming the log whenever a call to BP_SCOPED_COMPILER_EVENT_STAT, including for blueprints that are unrelated to control rig.  The log messages are only ...

Planar Reflections do not appear to cull based on the view frustum

UE - Graphics Features - Oct 27, 2016

View Frustum and Occlusion culling do not appear to work for Planar Reflections though the stats in PIE seems to indicate otherwise. I've attached two gifs showing View Frustum and Occlusion chec ...

Draw at desired size does not return to being false when unchecked

UE - Editor - UI Systems - Aug 4, 2017

When setting "draw at desired size" for a widget component to true, the "Draw size" will no longer respond to input. ...

Audio/Video out of sync after seek

Media Framework - Jan 29, 2018

There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the vid ...

Startup Movies Black Screen in Packaged Projects

Tools - Jun 25, 2018

Startup movies displaying black screen in packaged projects. Tested with 4.20p3 4135216 and 4.21 4157973 ...

Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating

UE - Platform - XR - Nov 8, 2018

If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating.  Waiting for awhile or tapping some more seems to bring it back.   Tested on macOS H ...

Landscape material doesn't show correctly on ES3.1 if Landscape layer blend was implemented by using in Material function

UE - LD & Modeling - Terrain - Landscape - Jan 30, 2019

Open the project attached to see the issue ...

Search for references in embedded gameplay tags editor of blueprint editor details panel does nothing

Tools - Sep 22, 2020

There is an arrow with a menu that opens when clicked. That menu binds member functions to the widget. The widget is being deleted when the user clicks on the action in the menu, before the action i ...