Components attached via AttachToComponent do not animate correctly when recorded by sequencer

UE - Anim - Sequencer - May 25, 2016

When an actor is attached by the root to a bone of a skeletal mesh through the use of the "AttachToComponent" function in code, it will not follow animations when being recorded by the Sequencer Rec ...

Crash upon attempting to compile a blueprint while Git source control is active

If a user connects to source control through the Git plugin and creates a repository, when they try to compile a blueprint, they can sometimes crash ...

[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set

UE - Gameplay - Blueprint - Jul 21, 2017

This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...

The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,

UE - Editor - UI Systems - Slate - Nov 26, 2021

When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...

Material Function Instances do not show up in the Material Function Call node

UE - Rendering Architecture - Materials - Jun 5, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...

Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart

UE - Niagara - Scripting - Apr 22, 2024

When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...

CapsuleComponent with CCD on will push and pull any simulated physics objects when close but not in contact with the capsule

UE - Gameplay - Jul 21, 2015

When using a capsule component for the character with CCD enabled there can be a force that pulls or pushes simulated meshes that are never touched by the capsule. Demonstration video attached. As ...

Custom Enums break blueprints on hot reload

UE - Gameplay - Blueprint - Aug 3, 2015

If a custom code based enum is used inside a blueprint, doing a hot reload will break the nodes by assuming they are of a type other than enum. ...

Event Dispatchers do not update references when renamed

UE - Gameplay - Blueprint - Feb 23, 2016

Event Dispatchers do not update event references when renamed if the green "+" is used to add the event in the Details Pane of an actor component. Note: Event Dispatchers appear to rename normally ...

Removing Pose from Blend by Enum causes compile error with float defining blend time

OLD - Anim - Sep 16, 2015

Removing Pose from a Blend by Enum node can cause compile errors when a float is defining all of the blend times. ...