UGS bug when Reading Column Weights from Config Files

UE - Foundation - UGS - Sep 12, 2025

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject

UE - Framework - Blueprint - Nov 28, 2025

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject. In some situations, ...

Blueprints components setup through code cannot have the parent socket set inside the blueprint

UE - Gameplay - Blueprint - Aug 28, 2015

If a component is created/setup through code and set as the child of a mesh component, clicking the magnifying glass in the Parent Socket field does not bring up the list of mesh sockets to attach t ...

Timelines are displayed as [Unamed TimelineComponent] in the Details view

UE - Gameplay - Blueprint - Mar 24, 2015

Timelines are displayed as [Unamed TimelineComponent] in the Details view. Renaming the Timeline in the Blueprint has no effect. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-24874 ...

Vectors added to blueprint components don't display 3D widgets when the applicable options are set.

UE - Gameplay - Blueprint - Jun 5, 2015

Component blueprints behave differently to normal actor based blueprints with regards to the show 3D widget option when a vector in the blueprint is set to editable. Basically the 3d widget never s ...

Particles cannot be rotated in Local Space and behave erratically without local space

UE - Graphics Features - Oct 23, 2014

Particles using the Velocity Over Life Module with extremely high values are behaving erratically without Local Space turned on and with Local Space turned on you can not rotate the particle system ...

static meshes snap through static meshes created from bsp meshes to next lower mesh on the Z axis

Tools - Sep 17, 2015

Static meshes do not snap to meshes created from bsp brushes, despite being turned into static meshes themselves. They instead snap to the next lowest mesh on the z axis. ...

State Machines are re-initialized from entry after playing a Montage

OLD - Anim - Jun 3, 2016

State Machines are re-initialized from entry after playing a Montage This is a Regression: Does not occur in 4.11 ...

Ctrl+Alt selection drag inside to outside of Matinee window will crash the editor

Tools - May 18, 2016

Ctrl+Alt selection drag inside to outside of Matinee window will crash the editor Reproduced in Releases stream 2982080 as well, to verify that this wasn't the same bug as https://jira.ol.epicgames ...

SpringArm causes physics to fail for a character standing on the physics object

UE - Gameplay - Mar 24, 2016

SpringArm causes physics to fail for a character standing on the physics object User Description: I am updating my marketplace content for 4.11 using preview 7 build (EDIT: RECHECKED WITH PREVIEW ...