Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.

UE - Gameplay - Blueprint - Nov 19, 2018

You can add a pass-by-reference input variable to an Event Dispatcher, but it will will result in compile warnings, and changes to that input will not affect the value of the variable in the caller. ...

[Feature Request] ReferenceViewer: Accept dynamic collection

Tools - Oct 29, 2019

In 4.23, Setting a dynamic collection to the collection filter slot does not display any result. And there are no information about dynamic collection doesn't work in collection filter. (FCollectio ...

Lyra host can't hear client movement sounds.

UE - MVF Character - Animation - Aug 25, 2022

Repo 5/5  The host can not hear the landing sound from the clients but can hear it's own sounds. Gun sounds are unaffected.  The client footstep sounds are also being affected. ...

Crash while unloading a streaming level while spawned decals exist in the unloaded level

UE - Graphics Features - Aug 18, 2017

When unloading a level containing a decal that is using a dynamic material instance the editor will crash. ...

Editor crash when a Breakpoint is added to a Widget's Tick function

UE - Editor - UI Systems - Aug 18, 2017

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...

Editor crash when adding element to Instance array of custom InstanceStaticMeshComponent

UE - Gameplay - Blueprint - Sep 14, 2017

Adding an instance static mesh component to a class causes the editor to crash when an instance is added to a blueprint of the class. Regression: Yes - this behavior does not occur on 4.16.3 (CL 35 ...

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)

UE - Anim - Sequencer - Jul 12, 2017

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...

Deleting audio subtrack deletes the entire track

UE - Anim - Sequencer - Jan 20, 2017

Noticed that deleting audio subtrack deletes the entire track. This also appear to happen to affect any property on the track. If I make it inactive or lock it that property applies to each subtrac ...

Inconsistency between Rotation Widget and Transform details

Tools - Mar 7, 2016

The rotation widget and Rotation details sidebar have inconsistent values when rotating using the widget. Also, when hitting a 90 degree rotation from 0, 0, 0, the other axis values are affected. ...

Scroll bar becomes so large that you can no longer scroll with Cloth Config open

UE - Editor - UI Systems - Slate - May 11, 2017

Scroll bar becomes so large that you can no longer scroll with Cloth Config open [Link Removed] is a similar report, but this actually affects functionality of the details panel. [Image Removed] ...