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 ...

STileView EventOnListItemObjectSet function is not called if the TileView items are cleared and then the same exact items are re-added

Result: In UMG_TileViewItem, EventOnListItemObjectSet function Trigger once Expected Results： EventOnListItemObjectSet function Trigger twice ...

Transform behavior of attachments is abnormal when scaling the parent actor along a single axis.

Here are gif screenshots of the different results in UE and Unity of the same operations. [Image Removed] [Image Removed] ...

New Viewport Resolution setting increases every time a new PIE window is launched

When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...

Blueprint added component get reordered when editing properties on them

It's hard to say if this actually a UX issue specifically tied to component editing, or a broader issue with UX. Either way, we should triage the problem and work from there. ...

Platform-specific defines not picked up by Intellisense

With the way PLATFORM_XSX, PLATFORM_PS5 etc. are defined, it seems intellisense doesn't know about them, because the .vcxproj only references the Win64 version of Definitions.h, and they are defined ...

Material Instance Editor Bug: Vector Parameter Channel Names not showing up in Layer Parameters panel

Material Layers do not properly display parameter custom names in the same way that regular materials do.  [Link Removed] ...

Crash when deleting function referenced by instanced object.

Blueprint functions with nested structs referencing UDataAssets generate errors if root not passed by value.

The source of the error appears to be a stray DefaultValue="None" that's contained within the inner "Test_Nested_TestContainer" split pin (copy/paste the node to notepad to see this). If you refresh ...

Copying collapsed graph with a node with a custom Exec pin results in duplicate pin name

When duplicating a collapsed blueprint graph which has a node with a custom Exec pin, this results in blueprint compilation error that a duplicate named pin is found. Duplicated exec pins aren't ass ...