Unreal Engine Issues

[Feature Request] Add material node or function to easily support AR passthrough camera

See the UDN link. This is currently possible with some material work, but should be made more robust to automatically look up the passtrough texture resolution and to deal with apps deployed in por ...

Sphere Trace Distance Field GPU function hides necessary Collision DI input

The collision DI input is a hidden input, but is necessary for compilation. The input node should likely be marked as required, not hidden.  ...

Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles

Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...

BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.

BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...

Shader Complexity does not function properly with Android ES2 or ES3.1 set as the Preview Rendering level

A user has reported that Shader Complexity is not working properly in 4.21 with the Android ES2 or 3.1 preview rendering level settings. Regression?: No It did not look this way in 4.21 and prior v ...

Server using -useperfthreads command line causes crash if rendering thread is required for function execution

After focus has switched to UMG the Arrow keys no longer function for moving the character until the user has return focus to the game

If the user clicks a button they cannot move their character with the arrow keys. ...

Blueprint function inputs can now be referenced as variables but renaming the inputs does not update the placed variable instances

[Dynamics Processor][Audio Bus Sidechain] - Audio Bus Sidechain doesn't function the second time a sound is triggered

Retriggering a sound using an Audio Bus as a sidechain on a Dynamics processor seems to not uses the sidechain. The sidechain will start working again if it's reset on the Dynamics Processor effect ...

The 'Add New Key' button does not function within the Actor Sequence Editor within an object that has the Actor Sequence Component.

The Actor Sequencer Timeline appears to not be able to correctly recognize the variables manipulated within the viewport. Thus, when attempting to add a keyframe after moving a component, within the ...