Unreal Engine Issues

A Blueprint containing a Macro with a Wild Card input crashes when a Custom Event node has an additional input added

This is a regression. Tested in //UE4/Release-4.27 CL18319896 In UE4 an error is thrown when attempting to add an input. A Blueprint containing a Macro with a Wild Card input crashes when a Custom ...

Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving. Tested ag ...

There is no indication that CreateDefaultSubobject will not work from within a Component/Nested subobject

We should at least update the comments on the CreateDefaultSubobject function warning people about the troubles and weird behavior that could occur when you call it from within a nested subobject  ...

Stride Warping in manual mode not activating correctly based on first StrideScale

From licensee: If StrideScale is 1 the first time through, it initialises the StrideScaleModifierState to 1 and doesn't require updating so leaves the CachedDeltaTime at 0 by never calling Update_I ...

MoviePipeline: Apple ProRes/Avid DNx crash when "Overwrite Existing Output" is off

Duplicating an actor with a blueprint bound delegate behaves unexpectedly

When the trigger is duplicated, the contents of its OnActorBeginOverlap MC delegate are copied, which contains a reference to the BP actor that added the binding to the original trigger. Marking th ...

Landscape LocalMerge crash with PaintLayer enabled

[MetaSounds][Inputs] - When multiple copies of an input node are on the graph, all connections reconnect to one node when an input is renamed

If there are multiple copies of an input on the graph, when it is renamed, all the connections are broken and rerouted to a single node, orphaning the rest on the graph. I believe this may be a dupl ...

Adding a variable to a Structure after packaging then repackaging causes the package to fail

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Adding a variable to a Structure after packaging then repackaging causes the package to fail. ...

[Audio Capture] - Editor crashes when activating an Audio Capture component when there are no active input or output devices avilable

If a device has no available input or output devices, activating an Audio Capture component will cause the device to crash. Occurs in Editor and Runtime. Assertion failed: NumTotalFrames > 0 [File:E ...