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 ...

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 ...

User created constraints have a default joint name of "UserConstraint" that cannot be edited

Physics - Dec 6, 2018

Constraints created by users are all given the same Joint Name of "UserConstraint" and it cannot be edited. This makes referencing these joints individually impossible. Regression?: No This occurs ...

UReplicationGraph::InitializeForWorld needs to clear the global actor info map

Networking - Dec 6, 2018

The global actor info map is not completely cleared in UReplicationGraph::InitializeForWorld, which can leave stale actor references from the previous level (WorldSettings, and possibly others) afte ...

Copy-pasted user created umg not updating if the template was modified

Tools - UMG - Dec 5, 2018

When copying/pasting a user created Widget into another widget any changes made to the copy will change the main Widget without making any changes to the copy. ...

Changing Levels Does't Clear Global DistanceField

Rendering - Dec 5, 2018

In a packaged game or standalone, if you change map with DFAO enabled the previous DFAO will still be visible. This does not occur in PIE. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4613 ...

Walking on a movable TG_PostUpdateWork produces incorrect component positions

Gameplay - Player Movement - Dec 5, 2018

When an actor set to movable and ticking with TG_PostUpdateWork is walked over, the character's capsule component position is incorrect during movement. ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

Physics - Dec 5, 2018

Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

Physics - Dec 5, 2018

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...