Unreal Engine Issues

init_unreal.py loads with errors from ML deformer module which has dependencies that are not loaded in -game runs of the editor

Inherited UserWidgets can't create animations that bind to widgets on their parent's WidgetTree

Animating an inherited widget from a child UserWidget class appears to work, but the bindings don't resolve properly and the animation is null at runtime. This workflow should either be supported, o ...

FMath::Eval ignores groupings while solving

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Integrity of AnimSyncMarkers compromised while playing AnimMontage with root motion in server side

Reference UDN as it explains well the cause of the issue. ...

Translucency area has stripe-style issue on TSR

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facing planes. ...

Object Load order issue in Blueprint Editor

[Image Removed] change FindObject to StaticLoadObject might fix this issue ...

CableComponent particles spawn at origin when gameplay starts depending on component registration order

A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...

When a Niagara User Parameter is renamed, mesh bindings on Niagara Mesh Renderers are not updated, and the binding is silently broken

In Niagara, Mesh Renderers expose a "Meshes" array for selecting the meshes to be rendered. On each array entry, a property "Mesh Parameter Binding" is available and allows the user to override that ...

Input pins of BP node are not updated after a hot reload

If a code defined function that takes in a parameter is called from blueprints, the BP node will show the input pin for the parameter. If the parameter list is changed after the node is created and ...

Child actor component mesh actor does not update transform with child actor component in parent blueprint

if a child actor component is set to a new child actor at runtime, the actor will not update with the transform of the child actor component in the parent blueprint. ...