Unreal Engine Issues

A plugin CanBeUsedWithUnrealHeaderTool=true with "Program" type will not be compiled

It is ok for 4.19. ...

SceneDepth failed with MSAA on PC Mobile Preview

In PC ,RHICreateTargetableShaderResource2D will create SeparateTarget and ShaderResource, and after basepass resolve depth from TargetableTexture to ShaderResourceTexture. But in mobile preview,  ...

Adding an Output to a Collapsed Node Graph by Dragging a Pin to it Won't Update Properly

Adding a output pin to a collapsed graph through dragging it on adds it to the list of inputs and doesn't update the input/output nodes. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 43 ...

Clicking on object causes EndInputTouch to fire on the press instead of the release

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

"Fill Data Table from CSV File" crashes packaged project.

Using "Fill Data Table from CSV File" node in packaged project crashes instantly.  User acknowledges that they are misusing this node and requests that limitations are documented. (Editor only Tool ...

Selecting components/channels does not display the 3D trajectory

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...

Prevent LevelScriptActor destruction from actor channel close

LevelScriptActor can be destroyed from a channel close on the client before the associated level is removed from the world, which prevents proper cleanup of the network driver. We should look into ...

Using the Clean command in Xcode prevents the binary editor from opening

Importing a Landscape Layer with World Composition Enabled is Taking All Available Memory

When importing layer information to a landscape the engine will freeze and consume all available memory. Unable to test in 4.19 due to provided project being made in 4.20. I have attached a log from ...