Some parameters tooltip descriptions are missing

UE - Rendering Architecture - Materials - Oct 13, 2022

The user is shown an "default" tool tip message when hovering the mouse over material parameters. ...

Tools>Debug>Modules button may not appear

UE - Editor - Workflow Systems - Oct 26, 2022

This is due to Plugin loading order. If the EditorDebugTool plugin is loaded before *SourceCodeAccess( in exsample : VisualStudioSourceCodeAccess ) plugin is loaded, CanShowModulesTab() returns fals ...

Asset toolkit can crash because the toolkit host IsEnabled_Lambda capture a raw UObject pointer

UE - Editor - Content Pipeline - Asset Build - Jan 5, 2023

We must capture weak pointer instead of a raw pointer ...

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

UE - Framework - Blueprint - Sep 8, 2022

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

UE - Editor - Content Pipeline - Import and Export - Jan 30, 2023

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

UE - Framework - Blueprint - Jan 28, 2023

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

UE - Gameplay - Blueprint Editor - Jan 31, 2023

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

UE - Rendering Architecture - Apr 5, 2023

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 ...