Distance Field AO leaving trail of occlusion shadow where character mesh has been.

UE - Graphics Features - May 21, 2015

When using DFAO and moving around the world a trail will be left behind the where the player has been while PIE/Standalone game is being used. This is cleared when exiting these modes. **Video att ...

Destructible component doesn't register hit event with Landscapes

UE - Simulation - Physics - Destruction - Aug 9, 2016

Destructible component doesn't register hit event with Landscapes. The only way to get the Destructible to register the event is to enable Impact Damage on the Destructible mesh. User Description: ...

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 ...

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 ...

[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. ...

Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.

UE - Anim - Sequencer - Sep 9, 2024

A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...

Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView

UE - Gameplay - Network Prediction - Apr 4, 2025

Received a report from a licensee using Network Prediction Plugin and Mover.  There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab

UE - Gameplay - Blueprint - Feb 5, 2016

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab. Reproduced in Actor Blueprints and Player Controller Blueprints. This is a regression: overridin ...

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. ...