Unreal Engine Issues

Ensure occurs while duplicating world partitioned level by WorldPartitionRenameDuplicateBuilder commandlet

The level seems to have been successfully copied. ...

SkeletalMeshComponent in dedicated server causes memory leak

As dedicated server does not have viewport, USkinnedMeshComponent::BoneTransformUpdateMethodQueue array keeps growing and never clear. ...

MoviePipeline: Field of View doesn't match viewport when using the Squeeze Factor property

Reference to material collection by Index instead of by Name causes inconsistency

A UDN user reports materials referincing parameter collections by index instead of by name. The problem manifests itself when rearranging the order of parameters belonging to collections, as the edi ...

Confirmation Dialog common UI in the Lyra Starter Game loses focus for gamepads after closing.

When changing the language options in the default Lyra Starter Game project (5.3 and 5.4) with a controller, the settings menu loses focus after closing the confirmation dialog. Focus can only then ...

Lumen doesn't use correct sky light settings when GI scalability changes from Low to High

When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture.  No ...

Pressed event triggered after calling FlushPressedKeys while holding the button

This is an issue related to the behavior of the FlushPressedKeys function when called manually while a button is held. Once the function is called in C++, a Pressed event gets triggered even though ...

Skeletal mesh defined in code cannot be set in the editor.

Defining a skeletal mesh component in code and attaching it to the root component will not allow the component's details to be editable inside the editor. ...

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script. Note: this would work in 4.8.3. Reproduced in 4. ...

Text Render Actors do not maintain relative offset when attached to blueprints via construction script

Text Render Actors do not maintain relative offset when attached to blueprints via construction script. This did not reproduce with other actor types. Types used: Static mesh actors, blueprints, b ...