Changing TeleportRotationThreshold or TeleportDistanceThreshold at runtime fails to change teleport settings

UE - Simulation - Physics - Character - Jan 6, 2017

USkeletalMeshComponent::USkeletalMeshComponent() caches off the teleport values for later use and then ignores the exposed values entirely. This should not be the case. We either need to detect chan ...

Bright mesh outlines using Temporal AA with Gaussian Blur DOF

UE - Graphics Features - Feb 17, 2017

Since the last engine merge in FN Main, any mesh that silhouettes against DOF will produce a bright, halo like effect on the outside edge. The further away the background is from the silhouetted mes ...

Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.

UE - Gameplay - Components - Aug 28, 2017

Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...

Crash when selecting ResizeMode "Invalid" of ChangeComponentSize on LandScapeEditor.

UE - LD & Modeling - Terrain - Landscape - Dec 21, 2017

check(0) is used in UpdateComponentCount () of LandscapeEditorObject.h. This looks like an intentional check, but there is a possibility that the user may mistakenly select it. ...

When Niagara is set to DesiredAge in Sequencer, the processing load increases after play

UE - Niagara - Cinematics - Jun 3, 2021

This does not happen in 4.25.4. It has been confirmed to occur with 4.26.2 and UE4main. After playback is complete, a large amount of stalls can be seen in Insight. ...

Laser scan import: Importing E57 provides the "Operation failed" error

RC - Editor - Aug 21, 2024

Data: [Link Removed] I also tested other E57 files, and they were possible to import. This one is from RTC360.  [Image Removed] ...

Kerning Issues with Non-Default Fonts (Helvetica) in UMG

UE - Editor - UI Systems - Dec 17, 2015

Licensee is reporting that when a font is scaled in a UMG, the smaller the font gets the more the Kerning between certain letters decreases to the point of overlap. This is not as obvious in a View ...

Custom spawn function causes crash at Launch

UE - Gameplay - Dec 30, 2014

Using a custom spawn function to spawn a character will crash editor in PIE mode (only standalone window crashes if standalone is used). ...

dtNavMeshQuery::findNearestPoly uses hardcoded array size

UE - AI - May 18, 2015

dtNavMeshQuery::findNearestPoly uses hardcoded array size which results in errors when search radius would require using more polygons then hardcoded the 128. ...

Cannot Delete Event Dispatcher inside of a child blueprint when the parent has an event dispatcher as well

UE - Gameplay - Blueprint - Apr 2, 2015

If the user creates two blueprints and parents one to the other and then creates 3 event dispatchers in total between the two in an alternating method it will cause and error and the event dispatch ...