Unreal Engine Issues

Fractured Geometry Collection triggers a crash when colliding with an Animation Blueprint with a Rigidbody Node

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes when a physics asset of an animation with rigid body collides with geometry collection. ...

Fix MM node "Yaw From Animation Blend Rate" for skeleton with root bone rotated X or Y up

Collision between physicalized actors and instanced static meshes produce warnings.

Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...

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

[Image Removed] ...

'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