The speed of Animators is increased in exports

TM - Tools - Jun 23, 2026

Reported in SF [Link Removed] When setting Animator tools to use Collision mode for video, the loop speed of the animator will be twice as fast as specified in the video export. Attached a sample ...

Cascade Type Modules do not respect closed Emitter Stacks when drag and dropping

UE - Graphics Features - Jan 12, 2016

When you are dragging and dropping an Emitter Type Module from one Emitter Stack into another and you have closed modules in your particle system, the type data module will be offset from your mouse ...

Upgrading to from 4.6 to 4.7 can cause assets to not be fully loaded in

UE - Gameplay - Blueprint - Mar 8, 2015

A user has upgraded their project from 4.6.1 to 4.7.2 and now one of their assets is partially loaded. After a bit of digging I found an error in the event graph of the ShadowHerosHUD. The nodes are ...

FBXImportAsset Data is lost on project restart when changing any Build Settings

UE - Editor - Content Pipeline - Import and Export - Jul 27, 2015

After importing a Static Mesh, if you alter any build settings and apply changes, on the next opening of the Project you will not be able to reimport the asset changed. You will have to retarget th ...

Default values resetting for level instances of custom component pointers

UE - Gameplay - Components - Feb 3, 2017

When a code component contains a pointer to an actor, adding the component to a blueprint and setting the pointer to point to an instance of the same blueprint will cause the pointer to reset to "No ...

Subclass disappears from class variable drop-down on re-open

UE - Gameplay - Blueprint - Mar 13, 2017

Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...

Black artifacts when navigating viewport

UE - Graphics Features - Apr 18, 2017

When navigating the viewport, placed actors can leave a "black shadow" as the camera viewpoint changes. The artifacting remains until "Game view" or wireframe mode is activated. This only occurs i ...

Is Valid is true in PIE but prints false in package build

UE - Editor - UI Systems - May 18, 2017

When using the IsValid node inside of a Widget blueprint with the Widget as the selected asset, the string will print as true in the Editor, but prints as false in the packaged build of the game. ...

World Outliner selection does not update transform widget location during play

Tools - May 23, 2017

World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...

Drag and Drop Import option allows folders with space in name

UE - Editor - Content Pipeline - Import and Export - Jul 7, 2017

By using the drag and drop import feature, users can import files that contain spaces in the name. This causes an error in the editor where files inside it cannot save because of the name. Renaming ...