Meshes made with the Pivot Painter tool don't work correctly on OpenGL ES3.1 + AEP

Platform - Mobile - Dec 1, 2015

In the project attached in original UDN post (too big to attach here) there is a tree that was created with the pivot painter tool that is animated. In the editor it behaves correctly, but trying t ...

Ray Traced Distance Field on OpenGL not working

Rendering - Dec 1, 2015

Are Ray Ttraced Distance Field Soft Shadows supported on OpenGL ES3.1 + Android Extension Pack platforms like the Shield Tablet or Shield Console? Since the ES3.1+AEP platform supports deferred ren ...

Sound node concatenator doesn't work correctly with mixer sound node child.

Audio - Nov 30, 2015

Sound node concatenator doesn't properly work when one of the concatenator nodes is a mixer node. ...

Save Package Dialog scrolling is slow.

Tools - Nov 30, 2015

A licencee reports slow scrolling in the Save Content dialog when working with hundreds of items marked as dirty. From profiling it appears that PackageTools::GetObjectsInPackages is the main offen ...

AssetImportData does not get deserialized on a UTexture when loaded as part of a streaming level

Core - Nov 25, 2015

The repro case is to create a material with a texture (texture T), apply it to some object, like a basic cube. Save out this level, level A. Create a new level, and add level A as a sublevel, and sa ...

UE4 Ignoring Bone information from FBX Exported from 3DSMax

Tools - Nov 23, 2015

The licensee has provided an animation created in 3DSMax where the Weapon Bone is stationary to which they attach a weapon socket in the editor. However, once imported into the editor, the Weapon B ...

AddComponent node fails to be scheduled after adding an "expose on spawn" variable to an ActorComponent-based Blueprint Class.

Gameplay - Blueprint - Nov 13, 2015

If an existing AddComponent node is placed in an Actor Blueprint's Event Graph for a custom ActorComponent-based Blueprint Class, the node will fail to be scheduled after adding a variable marked "E ...

Per object shadows, Error: FMatrix::InverseFast(),

Rendering - Nov 13, 2015

LogUnrealMath:Error: FMatrix::InverseFast(), trying to invert a NIL matrix, this results in NaNs! Use Inverse() instead. LogOutputDevice: === Handled error: === Ensure condition failed: false [File: ...

FSocketSubsystemWindows::TranslateErrorCode asserts on ERROR_FILE_NOT_FOUND

Networking - Nov 12, 2015

Even though it's undocumented, Windows can reportedly return ERROR_FILE_NOT_FOUND from WSAErrorCode. We should handle this case, see additional info URL. ...

Apex Cloth will not render correctly with cloth assigned to multiple materials

Physics - Clothing - Nov 12, 2015

Apex cloth material assigned to multiple material elements will not render correctly in Persona or when PIE/Simulate in the editor. Any material element other than element 0 will be masked/invisible ...