Get Transform at Distance Along Spline does not work properly with Blueprint Nativization enabled if the Spline has multiple points

Gameplay - Blueprint - Dec 13, 2018

Using Get Transform at Distance Along Spline with a spline that has multiple points along with Blueprint Nativization causes the output of the node to become unpredictable. Regression? No This occ ...

Sphere Reflection Captures Are Not Cleared Out of Arrays Properly When Deleted

Rendering - Dec 11, 2018

SphereReflectionCaptures are not properly destroyed when deleted, and still take up space in the AllocatedReflectionCaptureState array. After reaching 341 SphereReflectionCaptures, the only way to c ...

Crash when using a specific Component Mask with Material

Rendering - Dec 11, 2018

This problem seems to stop at Check in HLSLMaterialTranslator.h. If the same value is entered in MCT_Float and MCT_Float4, it branches to True with IsIdentical, but it seems that a problem has occur ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

Anim - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

UDN 472564 - CurlHttp merges headers on redirect

Online - HTTP - Dec 7, 2018

when curl requests are redirected (301) – response headers are merged together and are comma separated.  but, Content-Type headers are required to use semi-colon ";" separators. ...

Datasmith Metadata is lost when actor is converted as BP

Enterprise - Datasmith - Core Lib - Dec 7, 2018

This behavior does not occur on actor tags and component tags so it is something we haven't considered when adding the metadata feature. ...

Editor Unable to Find Mali Offline Compiler On Mac

Platform - Mobile - Dec 7, 2018

Material Editor is unable to find the Mali Offline Compiler on Mac. This inhibits you from looking at platform stats for Android. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538, ...

Crash Upon Sequencer Modification of Actor's Array Variable

Sequencer - Dec 7, 2018

If Sequencer event track modifies an Actor's Integer Variable Array that is exposed to Cinematics, the Editor will crash when the Stop button is pressed. ...

Enabling Tonemapper via console command causes a black screen when Mobile HDR and Bloom are enabled on Android

Platform - Mobile - Dec 7, 2018

Enabling Tonemapper on Android with Mobile HDR and Bloom enabled causes the entire screen to go black, other than HUD and UMG elements. This seems to occur on older phones, as this occurred on a Ne ...

Product Viewer Template does not in standalone and VR

Enterprise - Studio - Content and Templates - Dec 7, 2018