A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other

UE - Foundation - Core - Sep 23, 2016

A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...

Directional Stationary lighting does not shadow properly in 4.13

UE - Platform - Mobile - Sep 23, 2016

This is in response to the reported bug from UDN, here: https://udn.unrealengine.com/questions/313095/in-the-shadowdirectional-light-always-light-skelet.html ...

Fix Up Redirectors does not affect redirectors within renamed folder

Tools - Sep 23, 2016

Fix Up Redirectors does not affect redirectors within renamed folder. ...

UserWidget Struct members cannot be cleared when set from a parent widget

UE - Editor - UI Systems - Sep 22, 2016

Struct members belonging to a UserWidget can be set from a parent widget, but they cannot be cleared. Upon compiling, the member will be set back to it's previous value. ...

Distances do not match on display 2.6 of the Math_Hall in ContentExamples

Docs - Samples - Sep 22, 2016

This could be a rounding error but if they are both representing the same distance they should match. Maybe truncating a few decimal places and rounding could work. ...

POM self shadow does not work in PIE or Simulate

UE - Graphics Features - Sep 22, 2016

Self shadow does not work when simulating or in PIE. Content Examples ParallaxOcclusionMapping level has a good example of this on the shadows example. Self Shadow Working:Standalone GameIn Editor ...

Slow-rendering thumbnails can be queued up for real-time updates

UE - Editor - Content Pipeline - Content Browser - Sep 22, 2016

A licensee is seeing performance drops while using the editor due to a custom thumbnail renderer taking a while to generate thumbnails while Real-Time Thumbnail rendering is enabled, and has request ...

Instanced meshes velocities fix

UE - Graphics Features - Sep 21, 2016

"We've been able to enable velocity rendering when using instanced rendering. However, by looking at the generated vertex shader the computation of the previous position seems to be incorrect: flo ...

Unable to Edit Parameter in Instance After Converting Back From Constant

UE - Rendering Architecture - Materials - Sep 21, 2016

Converting parameters into constants will remove the Instance's ability to change the parameter's values. But changing them back into parameters does not update in the instance editor and they can n ...

Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...