Startup movies do not support 1080p video, and fails silently in the process

Tools - Oct 11, 2018

1080p videos do not play as startup movies, and there is no indication as why given by the editor. 1080p videos will work with media framework. There is no documentation either, so there is no indic ...

UMG Background Blur Not Working On Android

UE - Platform - Mobile - Oct 9, 2018

UMG Background blur does not appear when packaged for android. It will work in PIE at the same preview level but not when packaged for the device. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 ...

Incorrect Collision Enabled loaded for attached Blueprint Components

UE - Simulation - Physics - Oct 9, 2018

Incorrect values are loaded for the Collision Enabled property of attached ActorComponent Blueprints.  ...

Assign Event On Destroyed no longer creates Custom Event Node

UE - Gameplay - Blueprint Editor - Oct 9, 2018

When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space;  type "Assign on Destroyed"  and select  "Assign ...

Lighting Only Affects Tilemaps From One Direction

UE - Graphics Features - Oct 9, 2018

Lighting only affects tilemaps from one direction.  Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.22 CL# 4435744 ...

Inconsistent Blueprint Instance Physics/Collision edit-ability

UE - Simulation - Physics - Oct 9, 2018

For Blueprints with components having collision, the collision profile set in the blueprint seems to determine the edit-ability of many collision/physics properties of the instances. The profiles ef ...

Cinematic DOF Does Not Work With TemporalAA Upsampling Enabled

UE - Graphics Features - Oct 9, 2018

Cinematic DOF does not work correctly if TemporalAA Upsampling is enabled. Standard Circle DOF works as expected with Upsampling. However, enabling the New DOF Algorithm produces almost no blur when ...

Float value of AIDataProvider_QueryParams is cast faild

UE - AI - Oct 9, 2018

IntValue and BoolValue is always indefinite value in UAIDataProvider_QueryParams::BindData(). Attach the result of Watch in VS. ...

Calling LoadLevel within OnLevelShown delegates causes an array modification during range-for iteration assertion

UE - Gameplay - Oct 8, 2018

Ranged-Based for in ULevelStreaming::BroadcastLevelVisibleStatus iterates an array which can become modified during execution if new levels are added. ---------------------------------------------- ...

Unable to use TWeakObjectPtrs for the optional Old value for a repnotify function

UE - Foundation - Cpp Tools - UnrealHeaderTool - Oct 8, 2018

A user has reported that Unreal Header Tool fails to parse a rep notify function properly when the optional parameter for the Old value is populated with a TWeakObjectPointer. Example of errors:Sev ...