Unreal Engine Issues

BP multi-level inheritance does not correctly inherit 'Static' mobility

User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...

Fbx Importer: Need to clamp incoming vertex color

Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.

As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...

Components copy/pasted from an actor instance's SCS can't be deleted from a Blueprint

SCS added components pasted from an actor instance in the level editor cannot be deleted from the target Blueprint because the component template has the RF_ArchetypeObject flag. ...

Custom Primitive Data on BP instance not taking affect while in editor

Original Repo is from 4.27, however, it still happens in 5.2. This is happening because the Instance Data system does not update the field UPrimitiveComponent::CustomPrimitiveDataInternal from the d ...

Animation panel does not save docking location after being moved

Show flags in Viewport do not persist after actor selection with GameView enabled

Translucent mesh dissapears when using masked shadows

This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...

PostProcessVolume Actor doesn't appear in PIE Outliner

TMaps with instanced objects: modifying instanced object data in child affects parent

Given a TMap where the value type is an instanced object: when a child blueprint is saved with modifications to the TMap, and then additional TMap are added to the parent blueprint and the child blu ...