Unreal Engine Issues

Can't connect nor send packet via TCP socket in iOS

TCP Socket messaging in iOS seems not working.  ...

Lumen Software Raytracing has big lighting difference comparing to Hardware raytracing

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading

It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...

Creating a GeometryCollectionActor from a GeometryCollectionAsset is ignoring some of the data set in the asset

When you create a GeometryCollectionActor by dragging a GeometryCollectionAsset from the ContentBrowser into the scene, instead of using the PhysicsMaterial defined in the GeometryCollectionAsset, i ...

Can't save map warning with Create Dynamic Material Instance node using wrong input

When using a Create Dynamic Material Instance node the Get Material node will plug into the World Context Object rather than the Parent input. This will cause a error to be thrown that does not allo ...

MAC: Drop Down Menus Continuously Flicker (In Certain Conditions)

Shown in the Behaviour Tree Graph, if the Dropdown menu's length exceeds the Behavior Tree Graph window, the menu will try to offset it's position in order to display all information and will flicke ...

Increase in Engine Stats for large amounts of Hierarchical Instanced Static Mesh Components

Increase in Engine Stats for large amounts of Hierarchical Instanced Static Mesh Components User Description: We are having performance drops of almost 5ms in 4.15 when using "Hierarchical Instanc ...

r.MipMapLODBias has no effect on Texture Sample using Shared:Wrap or Shared:Clamp

If a material contains a Texture Sample node with Sampler Source set to Shared:Wrap or Shared:Clamp, setting r.MipMapLODBias will have no effect on the blurriness of the material. Regression: No - ...

Cannot package a Client version of a project in UFE when using VS 2017

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...