Unreal Engine Issues

Unable to save project due to user created blueprint node that creates user created object

When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...

UEnum::NumEnums appears to be returning one more than the actual number of elements in an enum.

A user reported that UEnum::NumEnums appears to be returning one more than the actual number of elements in the enum. ...

MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter

Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...

Nanite Dynamic Tessellation issue with Material Layers

Changing BlueprintCallable function's code results in Warning in blueprint that should be considered an Error

A user reported an issue where, if a BlueprintCallable function's parameters are edited, a blueprint using a BlueprintCallable function will give warnings instead of an error for a problem after the ...

Adding a level instance to the persistent level puts its navmesh in the wrong place

DeprojectScreenPositionToWorld has inaccurate behavior in VR

Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...

OnKeyDown does not function in packaged game

Pressing down a key for a widget blueprint works in PIE however, it's not functioning once the project is packaged. Project Rar File: [Link Removed] ...

[bug] OIT doesn't work correctly with alpha composite blend mode

When using OIT, AlphaComposite Materials blend as if they are using the Translucent BlendMode. The order of macro #if … #elif cases cause AlphaComposite Materials to take the same route as Transluce ...

Open Formats: Interchange Import PIE - Importing static mesh while a PIE session is running permanently breaks nanite on the asset

Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...