Default name 'None' for TextureSampleParameter2D blocks overriding in the material instance.

Named 'None' in the material editor, TextureSampleParameter2d is not overridden in the material instance. ...

[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:161]

UE - Graphics Features - Apr 20, 2017

Based on CrashVisualizer data, crashes of this nature are the 4th most common in the 4.15.1 release. This crash may be expected due to the clear messaging that the system is out-of-memory, but this ...

Creating a plugin marks the plugin enabled without loading it

Tools - Apr 19, 2017

The editor is required to restart for the Editor Toolbar Button plugin to appear. The plugin is enabled and the project is compiled, but the button does not appear. After further discussions, we a ...

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

UE - Graphics Features - Apr 18, 2017

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 ...

Montage Section bars render behind black lines in timeline

UE - Anim - Runtime - Apr 17, 2017

REGRESSION: No, this also occurs in 4.15. In the montage editor, the gree montage section bars render behind the black lines of the timeline, making them hard to see. ...

[CrashReport] Access violation - code c0000005 in FD3D11DynamicRHI::RHISetShaderTexture

UE - Rendering Architecture - RHI - Apr 17, 2017

This crash occurs frequently for our users. It appears to be the same issue that was logged in [Link Removed]. For that Jira, the CrashGroup stopped getting updates after 4.13.2 - [Link Removed] ...

Crash When Opening Static Mesh After Enabling Forward Shading And Disabling "Support Stationary Skylight"

UE - Graphics Features - Apr 17, 2017

After enabling forward shading and disabling "Support Stationary Skylight" opening a static mesh in the static mesh editor will crash the engine. REGRESSION? Yes Crash Did NOT occur in 4.15.1 CL ...

[CrashReport] Assertion failed: GetOuter()==NULL in UE4Editor_Core!FText::IsEmpty

Tools - Apr 17, 2017

This is a top 10 crash affecting many users. It is believed it may be related to the auto listen / reimport feature. The callstack shares similarities to past tickets, such as:[Link Removed][Link R ...

Assert When Saving Over Existing Level With Built Lighting

Tools - Apr 17, 2017

While saving over an existing map the engine will crash if both maps have baked lighting. ...

Unexpected Specular Highlights using Area Lights on Surfaces with strong Normals at Low Glancing Angles

UE - Graphics Features - Apr 17, 2017

A licensee is reporting shimmering specular highlights on the surface of a mesh with an Area Light while using MSAA, FXAA, or no AA settings. This occurs in the Forward and Deferred Renderer. It wa ...