Cannot undo moving a mesh via Pilot

Tools - Jan 2, 2018

There is an issue where the undo does not affect movement made by piloting an object in a level. This issue does not appear to be a regression. Versions Tested: This issue occurs in all versions te ...

Spawned particles on the surface of a static mesh in Niagara get offset if the actor is anywhere but the world origin

UE - Niagara - Jun 11, 2018

Particles that are spawned using the surface of a static mesh will be offset from the systems placement in the world unless it is at world origin.  Working as expected in 4.19 CL# 4033788 Found in ...

Light Function Material with Volumetric Fog Causes Screen-Space Banding

UE - Graphics Features - Jul 12, 2018

With a light function being used on a light and volumetric fog enabled if you move the camera around it will cause screen-space banding at the edges of the screen. Found in 4.19 CL# 4033788, 4.20 P ...

Namespaces are not removed when importing Skeletal Meshes from FBX, and breaks the importing of referenced Animations

Tools - Jul 24, 2018

Namespaces in skeletal mesh FBXs are coming in as prefixes to the bone name. This issue did not appear in 4.19.2 (CL-4033788), as seen in the attached picture. This issue was reported and tested in ...

"Expose on Spawn" variables in Actor Components are overridden by the details value.

UE - Gameplay - Aug 2, 2018

"Expose on Spawn" variables in Actor Components are overridden by the value set in their Details Panel when called in another Blueprint. This issue was reported and tested in 4.20.1 (CL-4233996). ...

Ensure when pasting copied nodes into an Object

UE - Gameplay - Aug 7, 2018

When copy and pasting nodes from an Actor Blueprint to an Object Blueprint the Editor stalls for a bit and an ensure occurs. This issue was reported and tested in 4.19.2 (CL-4033788). This issue ...

PIE gets stuck on infinite loop when Background Streaming is disabled

UE - Foundation - Core - Aug 24, 2018

When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...

Translucent Materials Receiving Incorrect Shadows in Forward Shading

UE - Graphics Features - Oct 2, 2018

Translucent Materials will receive incorrect shadows in forward shading. This is working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4408769, 4.22 CL# 4413 ...

User focus navigation does not respect Wrap setting for Prev/Next

UE - Editor - UI Systems - Oct 11, 2018

Using Tab/Shift+Tab to navigates between all buttons on the player screen instead of the buttons that are constrained within an overlay Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.2 ...

Incorrect Particle Translation When Reactivated

UE - Niagara - Oct 30, 2018

When attaching a ribbon particle system to a moving object, undesired/unexpected effects take place when the object moves out of camera view.  Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# ...