Collision change is not replicated to clients when server makes change to the scale of a mesh

Networking - Jul 20, 2018

When the scale of a mesh is changed on the Server, the collision change of that mesh is not replicated properly to clients, resulting in the collision being different between the server and client. ...

Cannot debug projects in the Editor if it uses a unique target build environment

DevTools - Jul 20, 2018

It is not possible to debug a project in the Editor if the project's Editor target uses a unique target build environment. When attempting to debug, Visual Studio looks for UE4Editor.exe, when it sh ...

BuildGraph cannot create installed build for Windows

DevTools - BuildGraph - Jul 20, 2018

Attempting to create an installed build of the Engine for Windows using BuildGraph currently fails when the process attempts to copy some Linux files to the installed build. This appears to be due t ...

Animation FBX export is broken for ThirdPersonCharacter

Tools - Jul 20, 2018

It seems like the animation fbx exporter is broken. The mesh is exported just fine and can be imported in any application without issue. As soon as the animation is exported the mesh becomes broken ...

When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.

Gameplay - AI - Jul 19, 2018

When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...

Subtractive Geometry Brushes All Show a + In The World Outliner

Tools - Jul 19, 2018

Subtractive Geometry Brushes All Show a + In The World Outliner. Works as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4213847 and 4.21 CL# 4221482 This is a regression.  ...

Arrays on multicast events called from the server are not passed to clients

Networking - Jul 19, 2018

Arrays that are passed into a Multicast Event as an input are not available on clients who call the function Regression?: Yes This did not occur in 4.19.2 ...

'Get Tangent at Distance Along Spline' returns incorrect values compared to 'Get Location and Tangent at Spline Point'

Tools - Jul 18, 2018

The "Get Tangent at Distance Along Spline" node returns incorrect tangent values compared to "Get Location and Tangent at Spline Point", where the spline point is at the same distance along the path ...

Asset values change when the Editor is out of focus when using Maya or Web Browser

Tools - Editor Viewport - Jul 18, 2018

When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...