Set Array Elem is missing the Item checkbox when connected to an existing array variable

UE - Gameplay - Feb 8, 2017

Set Array Elem is missing the Item checkbox when connected to an existing array variable that was created separately. The checkbox is present if the Set Array Elem is created off of the array variab ...

Material re-route nodes break TextureSample output

UE - Rendering Architecture - Materials - May 4, 2017

This is a bug found by a licensee ...

Sequencer render movie output not rendering Construction Script results

UE - Anim - Sequencer - Nov 15, 2018

The rerun construction feature works while scrubbing/playing in the sequencer and observing the results in viewport, However, when outputting the movie using Sequence Movie Output. The results of th ...

Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

UE - Editor - UI Systems - Nov 23, 2018

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...

Reroute nodes in blueprints cause visual issues for events when using create event.

UE - Gameplay - Jul 25, 2016

When adding a reroute node between a "create event" node and any "Bind Event to...." node, the combo box list in "Create Event" node will disappear. Workaround: If the "create event" node is first ...

MoviePipeline: Cannot add per-shot {file_format} name overrides

UE - Anim - Sequencer - MRQ - Feb 3, 2022

void UMoviePipelineBlueprintLibrary::ResolveFilenameFormatArguments(const FString& InFormatString, const FMoviePipelineFilenameResolveParams& InParams, FString& OutFinalPath, FMoviePipelineFormatArg ...

An actor reference section's default value will not be changed in UMovieSceneActorReferenceSection::OnBindingIDsUpdated

UE - Anim - Sequencer - Apr 15, 2022

It appears that in OnBindingIDsUpdated the default value is not actually being modified.  ...

[MetaSounds] - Changes to Sort Order do not undo/redo as expected

UE - Audio - MetaSounds - Nov 15, 2022

Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...

TRASH_Comp in Octree that missing unregister

UE - AI - Navigation - Feb 25, 2025

the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...

Clear Timer node does not stop a looping timer

UE - Gameplay - Feb 16, 2015

Setting a Clear Timer node does not stop the named function from firing. ...