FVector::Normalize does not set Vector to (0,0,0) upon failure, as described

UE - Foundation - Core - May 24, 2017

The FVector::Normalize function states in its comment that if given a vector that is too small to be normalized, it will set it to 0,0,0 and return false. The function only returns false and does no ...

Destroying actor sets object to 0,0,0 for one frame before actually destroying

UE - Gameplay - Apr 29, 2015

Actors destroyed are set to 0,0,0 for one frame, which causes collision temporarily before they are completely removed. This only occurs on objects that are attached to a component using the attach ...

[Waveform Editor] - Changing the Edit time on a Sound Wave that has TotalSamples=0.0 can crash editor

UE - Audio - WaveformEditor Plugin - Nov 10, 2022

Rapidly changing the End Time on an asset that has TotalSamples=0.0 in the WaveFormEditor cases the editor to crash. Work around is to reimport the asset, which will restore that value. The crash hi ...

The Get node for the float value of Custom Axis Mappings only return 0.0 when called from Blueprints other than the Controller

UE - Gameplay - Input - Dec 3, 2014

The Get node for the float value of Custom Axis Mappings only returns 0.0 when called from Blueprints other than the Controller. Input from the player does not affect the value. Note: this works a ...

Decal Actor Returns 0,0,0 With Actor Position Node

UE - Graphics Features - Nov 7, 2016

The actor position node no longer returns the actor position for the decal actor. ...

Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0

UE - Gameplay - Jun 23, 2016

Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0. It registers all "other actors" as cast successful even when the actor cast to is not the actor's ...

UMG: Drag-drop widgets get stuck at (0, 0)

UE - Editor - UI Systems - UMG - Nov 7, 2022

Reported on the dev forum, drag-drop widget is broken in the 5.1 Preview.https://forums.unrealengine.com/t/unreal-engine-5-1-preview/662523/221 Anyone else having problems with UUserWidget::SetPosi ...

When alt dragging a skeletal mesh with another actor attached to a socket the relative position of the actor will be set to 0,0,0

Tools - Oct 5, 2016

When alt dragging a skeletal mesh with another actor attached to a socket the relative position of the attached actor will be set to 0,0,0. The relative offset for the copied attached actor appears ...

Setting Multi with ETC2 and PVRTC will select ES3.0 as minimum instead of 2.0

UE - Platform - Mobile - Dec 15, 2016

Chris found a bug where if you set Multi, ETC2 and PVRTC will select ES3.0 as minimum texture instead of ES 2.0 ...

Scaling blueprint component via gizmo breaks if axis scale reaches 0.0

UE - Gameplay - Blueprint - Oct 4, 2016

Using the transform gizmo to scale a blueprint component will break the functionality if scaled to 0.0 and released. Workaround: If the scale value is directly set to non-zero value, gizmo can be u ...