Sync'ing an asset through the editor does not update the asset until the project restarts

If an asset file is checked out / edited in source control and checked back in, others will see the yellow exclamation mark to indicate that there is an update to the asset but choosing to sync does ...

Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error

UE - Gameplay - Blueprint Editor - Feb 22, 2018

[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...

"Active" marker on shot track scales improperly when using Time Scale

UE - Anim - Sequencer - Apr 21, 2017

"Active" marker on shot track scales improperly when using Time Scale ...

Instanced Foliage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved.

UE - World Creation - Worldbuilding Tools - Foliage - Dec 2, 2019

Instanced Foilage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved. Note:  The foliage will move if the base actor is moved directly, inde ...

GPU System will kill existing particles if activate is called after it has be deactivated

UE - Niagara - Oct 22, 2020

Deactivating and then reactivating the same GPU system will cause existing particles to die. ...

Two planar reflection and translucent materials draw reflections on one side only

UE - Graphics Features - Jan 6, 2023

This problem seems to be fine when the material is Opaque.[Image Removed] ...

Physics simulation shows strange behavior with specific skeletal mesh configurations

UE - Simulation - Physics - Mar 3, 2017

PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...

Initial Modules are clamped to a 0 to 1 time range

UE - Graphics Features - Sep 18, 2015

The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

UE - Editor - UI Systems - Jul 29, 2021

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...