Searching for an Actor in the Create menu and adding the actor to the level results in a different actor type getting placed

Tools - UX - Jun 17, 2021

When using the search bar while adding a new actor to the level, the search results revert back to their default state when selecting the actor. This results in behavior that appears like you're cli ...

FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions

Rendering - Niagara - Jun 17, 2021

FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...

Delta struct serialized fast arrays replicating new elements with no changelist

Networking - Jun 14, 2021

There is a scenario where delta struct serialized fast arrays can replicate changes that introduce additional elements to the array, but without changelists containing the new data. This needs furt ...

Crash occurs when searching for a directional light on Advanced_Lighting map

Rendering - Jun 14, 2021

When using the Place Actors panel on the Advanced_Lighting map a crash occurs when searching for a directional light. I was only able to reproduce this issue on that map. This issue is occurring ...

Save Content Window does not open with Control Rig assets

Anim - ControlRig - Jun 14, 2021

Closing the Engine while having a dirty Control Rig assset/Window open does not open the save content window and prevents the editor from closing. This issue is occurring in //UE5/Release-5.0-Ear ...

PDO black pixel artefacts while moving

Rendering - Jun 14, 2021

Worth noting on PC this is visible but doesn't always occur.  [Image Removed] ...

FFastArraySerializer property not replicated when using ForceNetUpdate on dormant actor

Networking - Jun 11, 2021

See the linked UDN for more information. It also seems as though calling ForceNetUpdate before making the changes to the fast array results in the changes being properly replicated. ...

Artists want "importing fbx chunks" functionality back in chaos fracture.

Simulation - Physics - Destruction - Jun 11, 2021

Some artist customers want a tool to customize fractured mesh in chaos fracture just like the functionality "import fbx chunks" in APEX destruction, that could give them more controllability of the ...

Color space transform in the UI composition is incorrect on DX12 HDR (r.HDR.UI.CompositeMode=1)

Rendering - Jun 11, 2021

Color space conversion in the UI composition is incorrect on DX12 HDR. In the main() function In CompositeUIPixelShader.usf, you can see the following color space transform.// sRGB -> RRT -> ODT ...