Unreal Engine Issues

Editor crash on Instanced Subobjects of an outer class in Class Picker

Camera Shot Blend does not work when Reverse Play

Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...

Instance Static Mesh element not rendered if array element is removed and another is added

Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...

Rotate about axis material node can cause Z-fighting in Niagara mesh particles

The rotate about axis material node appears to cause z-fighting in mesh particles if they are scaled in the simulation. ...

Toggling ULevelStreaming::bShouldBeVisible causes replication errors

Looks like the replication system doesn't properly account for bShouldBeVisible. Once a level has be marked bShouldBeVisible=false on the server, the level is completely cleaned up and all actor cha ...

Component Array doesn't update properly when using Text Variables

A Component Array doesn't update properly when using Structure Variables. Any array elements added after the setup don't get printed when the event is called. If you set the "Editable when Inherited ...

[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 ...

Rendering from the Movie Render Queue at runtime while using the current level will fail, even when the levels match

When Use Current Level is true, the MRQ tries to validate that the maps are the same, but this will fail when the maps actually do match.  The Use Current Level flag should allow the render to cont ...

Enum Variable doesn't pull the correct Default Value

Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...

[Oscilloscope][Analyser Probes] - Analyser graph doesn't update smoothly when observing pin outputs

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