"Cook Content for Windows" does not have client or server equivalent

UE - Foundation - Cpp Tools - Apr 18, 2019

At the moment, any project without a Game TargetType cannot cook or package through the editor. This is unexpected for projects that only contain dedicated client and server targets. ...

Missing warning when dynamically simulating actor without physics enabled

UE - Simulation - Physics - Apr 18, 2019

Warnings are logged when a body without physics collision enabled is set to simulate via the editor, but not when set programmatically during play. ...

Bloated instruction counts in the material editor causing long compiles

UE - Graphics Features - Apr 17, 2019

artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...

Physics/Animation blending does not update collision

UE - Simulation - Physics - Apr 16, 2019

Setting bodies physics blend weight, blends an animation with physics simulation but does not update the collision bodies to match as is expected, instead the collision bodies are at their fully sim ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

UE - Graphics Features - Apr 16, 2019

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...

When launching from Mac to iOS, the process does not end normally, so the second and subsequent application launches from the iOS device are not performed properly

UE - Platform - Mobile - Apr 16, 2019

If you deploy the app to the iOS device using the Mac editor's Launch button or Project Launcher, the second and subsequent launches will fail. The following message is output when startup fails. T ...

Missing receipt error packaging Blueprint project for tvOS with custom iOS icon (Launcher build)

UE - Platform - Mobile - Apr 15, 2019

This failure occurs when trying to package SunTemple for TVOS. It did not occur with a blank blueprint project, until I added a custom iOS icon and tried to package a second time (I hypothesize th ...

Niagara Ribbons using Two Sided materials are incorrectly lit

UE - Niagara - Apr 15, 2019

Two Sided materials are lit incorrectly on Niagara ribbons. The sides will be flipped of how they should be. ...

Character standing on physics object causes severe glitches

UE - Simulation - Physics - Apr 12, 2019

Trying to stand on an object with physics enabled using the default third person template causes some very weird behavior. The object and character will jitter wildly and launch either one far away. ...

Movie Scene Float sections do not blend when adding a key

UE - Anim - Sequencer - Apr 10, 2019

Movie scene float tracks to not blend when adding new keys through the add key button if the value comes from outside sequencer. This is a result of a change introduced by CL: 4997300.   ...