Loading Pak Files from Third Party into Project producing Texture Artifacts

Core - Cooker - Sep 2, 2016

Calling an object from the mounted pak file, textures on objects appear wrong, and the texture from the Engine defaults gets assigned. This happens with all objects on the screen including meshes, b ...

PixelNormalWS not working with Deferred Decals

Rendering - Oct 14, 2016

Decals are no longer rendering correctly with PixelNormalWS plugged into the Emissive or Base Color input. ...

Expose and document MAX_ARRAY_SIZE and MAX_ARRAY_MEMORY from SerializeProperties_DynamicArray_r

Networking - Sep 7, 2016

Currently, there are some hidden constants that are used to in networking to limit sizes of arrays. After discussion, these were just chosen without much consideration other than to limit bad behav ...

Drag and drop functions into a graph is not being added to the undo history

Gameplay - Blueprint - Sep 26, 2016

When dragging and dropping a function into a graph the action will not be added to the undo filter because of this undoing after dragging the function into the graph causes the node to change instea ...

Adding array element of instanced meshes during simulation does not increase amount of elements in array

Gameplay - Blueprint - May 9, 2016

Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...

Converted Skeletal To Static Mesh Gets Corrupted When Merged

Gameplay - Oct 31, 2016

If you attempt to merge a static mesh that was a converted skeletal mesh the resulting asset is corrupted. You have to use the new convert skeletal mesh to static mesh feature. You will find this e ...

HTTP If-None-Match response code is incorrect on Macintosh

Tools - Sep 22, 2016

Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...

ActorPositionWS Material BP node can crash when used in Post Process material

Rendering - Oct 17, 2016

The ActorPositionWS BP node calls GetActorWorldPosition() in HLSL which references Primitive.ActorWorldPosition. But GetActorWorldPosition() is not protected by an #if HAS_PRIMITIVE_UNIFORM_BUFFER ...

Calling FHttpResponsePtr::GetContentLength() from OnRequestProgress delegate returns different values on Mac/iOS than Windows

Tools - Nov 9, 2016

Licensee was looking for a way to get total file size to display download progress. On Windows (which uses the curl library for Http request/response), binding a function to the OnRequestProgress d ...

Using nativized functions on buttons to spawn meshes causes assertion failure

Gameplay - Blueprint - Oct 25, 2016

An assertion failure is thrown when using nativized functions on an Android device. ...