[CrashReport] <unknown module>!UE4Editor_Core!FDebug::AssertFailed()

Core - Mar 28, 2016

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 678] Array index out of bounds: 0 from an array of size 0 Source Context: 80 } 81 else ...

UGameViewportClient::LostFocus() flushing input when focus is still on a descendant

Tools - Slate - Feb 29, 2016

See UDN thread. Can we check HasUserFocusedDescendants() so we don't flush keys when the focus is still inside the viewport? ...

Particle CPU cost highly increase at second "show" of a streaming level.

Rendering - Feb 24, 2016

It seems that Particle CPU cost highly increase at second "show" of a streaming level. The Licensee's team sent a sample to reproduce this problem. So I put the project and wrote how to reproduce on ...

Destructible does not return Hit Bone Name when using OnComponentHit Event

Physics - Destruction - Feb 17, 2016

When using a Destructible Mesh in a bluprint and trying to return the Hit Bone Name will result in "none" being printed. However, using a simply line trace from the individual bone names from a frac ...

Full screen mode when using a laptop with Optimus ignores the gama setting

Rendering - Feb 15, 2016

When using full-screen mode on a optimus laptop the gama that is set for the system appears to be ignored and uses the default setting, even if it has been adjusted in Windows display calibration se ...

Modulated Shadows on IOS cause flickering on Skeletal Meshes

Platform - Mobile - Feb 10, 2016

Modulated shadows are not functioning properly on IOS devices for skeletal meshes. Any skeletal meshes in the scene will cast a shadow, but have a flickering modulated shadow on the skeletal mesh as ...

[CrashReport] UE4Editor-Core.dylib!void FGenericPlatformString::LogBogusChars<wchar_t, char>()

Support - Jan 27, 2016

Unreal freeze on 35% and after crash Crash Report: [Link Removed] ...

AttachChildren on the client can lose entries

Gameplay - Jan 26, 2016

If a client attaches a scene component to a server authoritative scene component and that server component later has a change in attachment made on the server, the AttachChildren array on the client ...

FBX imports non-sequentially named Skinxx id's will not import all material elements

Tools - Import - Jan 25, 2016

When importing an asset that is using the naming convention for SkinXX to order material elements does not work properly when the elements are not sequential. Any material that is not in sequential ...