Unreal Engine Issues

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

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'GetClassDefaults' Can Cause Blueprint To Become Modified When Unrelated Blueprint Is Compiled

The stems from a really old change (CL 2948683) to fix [Link Removed]. Compiling ObjectA will call RefreshExternalBlueprintDependencyNodes on its dependent BP,  ObjectB_ReferencesA, which reconstru ...

Crash when editing nested Blueprint structures

See submitter's analysis here: [Link Removed] ...

FoliageInstancedStaticMeshComponent Include Actor in HLOD state in InstancedFoliageActor is not set by change in FoliageType asset

Paper2D crashes on flipbooks with dynamic materials

Having flipbooks with dynamic materials and then playing/stopping multiple times crashes the editor. ...

BuildCookRun: EnablePlugins parameter generated improper cooking command line.

From the UDN post that reported the problem:  The BuildCookRun Automation script offers a commandline option called -EnablePlugins= which allows the user to specify additional plugins that should ...

Dataprep Import Causing Unloaded Stream Levels to Reappear in Editor

Crash when deleting BindingOverrides if the target property is left open on the details panel

Crash if opening ALevelSequenceActor::BindingOverrides in the details panel and run a process that empties the BindingOverrides elements. Workaround: FMovieSceneObjectBindingID FMovieSceneObjectBi ...

Starter Content Blueprint_Effect_Explosion Root Componet In Invalid State

The Blueprint_Effect_Explosion Actor's Root Component in the Starter Content is in some form of invalid state. It reports to have a scale of (1.0, 1.0, 1.0) in the details panel but further behaviou ...

Can't copy/paste transform variable default values in the details panel

We can't copy/paste on default values of transform variables in the details panel.  Other variable types work as expected and transform types can have copy/paste applied like this in other blueprint ...