Blender 4.1 Release New Features Update 

Blender 4.1 release new features as main update like bake on geometry nodes, user interface improvements, mesh attributes, a better compositor for editing shader nodes and faster user experience.
The mesh “Auto Smooth” option has been replaced by a modifier node group asset, so now geometry nodes has the ability to set edge sharpness and create split normals without the need for an “original” mesh with the auto smooth option.
You can test new features of Blender 4.1 by downloading from official Blender Foundation website:
www.blender.org/download/
The viewport compositor now supports Cryptomatte, Defocus, Vector Blur and Keying Screen, completing support for all nodes with the exception of Render Layers passes (other than Image, Alpha, Depth).
If you search for the release note of Blender 4.1, you can find on development section and research new features you would like to know:
developer.blender.org/docs/re...
Motion Paths can now be generated in screen space from the camera view. Making it much easier for animators to see how arcs will look in the final piece.

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