Unreal Engine Issues

Loading instanced static mesh causes memory leak in packaged game

The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...

Path generated in wrong location from mesh in hidden sublevel

REINST classes are available in the class reference drop down

This doesn't seem to occur every time I run the editor, I can't get it to repro consistently Note: It is possible that this is happening in blueprints based off of a native c++ class has been rel ...

Get wrong primitive scene data on mobile preview with GPUScene enabled

Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version

This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...

WP level instance runtime settings affect streaming generation

If a level instance uses different runtime settings then it can override the main WP's runtime settings with UWorldPartitionRuntimeSpatialHash::ApplyCVars Runtime settings:GRuntimeSpatialHashUseA ...

Per instance custom data and Material Layers issue

Blueprint Typing Potentially Incorrect when using Chooser Plugin

This appears to be some form of type confusion. In editor, the type of the result pin is a Packed Level Actor Class Reference, but at runtime, the returned value is a BlueprintGeneratedClass. ...

HDRi backdrops show default material on Meta Quest

In-app purchase fail node does not execute properly without network connection

In-app purchase failure nodes do not execute when there isn't any connection. ...