Exporting static mesh, then importing that fbx(w/ Import Normals and Tangents) doubles vertex count

Tools - Jun 29, 2017

Static meshes exported from the engine have more vertices when imported back into the engine. Occurs on? 4.13 - 3172292 - YES 4.16 - 3466753 - YES 4.17 - CL3512142 - YES ...

Scroll widget into view does not appear to work when scrolling up

UE - Editor - UI Systems - Sep 20, 2017

When using the node "Scroll Widget Into View" the scroll box that uses it does not appear to scroll widgets into view when selecting widgets that are out up view in the up direction. Regression: Y ...

"Parent Class:" field missing from actor description when hovering over an actor in the content browser

UE - Gameplay - Blueprint - Oct 30, 2017

"Parent Class:" field missing from actor description when hovering over an actor in the content browser This field was available in 4.16, however it is no longer available in 4.17 (Appears to be a ...

Increment / Decrement nodes do not call BlueprintSetter functions

UE - Gameplay - Blueprint - Oct 31, 2017

When BlueprintGetter / BlueprintSetter specifiers are used for a property, the increment/decrement nodes in blueprints will call the BluprintGetter function but not the BlueprintSetter function. Th ...

Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses

UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017

Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...

Instanced Static Mesh component instances in levels that are not currently loaded do not have their defaults updated properly

UE - World Creation - Worldbuilding Tools - Foliage - May 17, 2018

Editing the properties of an Instanced Static Mesh or Hierarchical Instanced Static Mesh does not propagate those edits to the defaults of instances that are in levels that are not currently loaded. ...

LandscapeStreamingProxy do not properly save z offset from world composition, level property.

UE - World Creation - Worldbuilding Tools - World Composition - Aug 21, 2018

LandscapeStreamingProxy seems not properly saving z offset from level details when using world composition. It is reset to 0 when reopening the project. z position value from level details is saved. ...

Ambient Occlusion decals ignore Receive Decals setting on meshes

UE - Graphics Features - Feb 13, 2020

Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...

Text in an Editable Text component remains unchanged when set to an empty value

UE - Editor - UI Systems - Dec 1, 2022

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Text in an Editable Text component remains unchanged when set to an empty value by a Set Text(Editable Text) node. ...

Shadow Map Method Shadow Maps doesn't allow for Static Meshes to shadow Moveable Meshes with a Stationary Light source

UE - Graphics Features - Shadows - Jan 5, 2023

This is a regression tested in //UE5/Release-5.0 CL20979098 Shadow Map Method Shadow Maps doesn't allow for Static Meshes to shadow Moveable Meshes with a Stationary Light source. ...