Unreal Engine Issues

LIVE: ProjectileMovement component does not function when a PrimitiveComponent is missing or removed from the Components

A projectile brought over from 4.5.1 or earlier that does not have a Primitive Component as the Root, or removing the root from the projectile in 4.6, returns an error: "Movement component [Projecti ...

Race condition in USkeletalMeshComponent::TickCloth due to delayable tick function.

USkeletalMeshComponent::TickComponent is run in the PrePhysics tick group. This is the only place where the SkeletalMesh is actually checked to be != nullptr to determine whether or not the TickClot ...

On Mac OSX Open Asset (Command + P) Does not function as Expected

On a Mac running either Yosemite or El Capitan, when you go to open an asset either through the menu: File>Open Asset or Command + P, when the pop-up window appears and you start typing, the window ...

Ray Traced Translucency Option Doesn't Function in Post Process Volume

Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...

Crash on multi viewport when streaming in sub level with rect lights

GPU lightmass not baking directional light with sub levels and VTs off

"Windows Principal functionality is not supported on this platform" when packaging for iOS on Mac

Thread here: https://github.com/dotnet/standard/issues/1279 ...

ARKit- Camera Passthrough does not function in ARDebugCheck Packages targeted for Shipping

Repro Rate 5/5 Confirmed to be a regression. Regression tested in //UE4/Release-4.27 at CL 18319896 and it did not occur. This was tested on a prepackaged project for compat testing. Only a black ...

Missing BP/Python functionality to set a viewport OCIO configuration.

Multiple vendor's asked if there could be a way to programmatically set the created OCIO config for a viewport and select the source/dest settings as well and enable/disable the config.  The curren ...

Paper2D Set Sprite function in Construction requires mobility to be set to Movable

If you set up a default Sprite in an Actor BP and in the construction script set the sprite to an Editable Sprite Variable, in order for the new sprite to show up mobility of Sprite and BP must be M ...