This version includes updates that affect the ZBrush experience, as well as introducing new features: New

SliceRect and TrimRect brushes now work as they did in previous versions.Resolved issue reported with brushes not working consistently when using a stored Undo History.LightBox will now also show folders with a period in the name.Decimation Master has been updated to work on older macOS versions, matching the system requirements for ZBrush itself.The cut-off level is now exactly 50% gray. Increased the alpha tolerance when using Mesh Extract.The mesh resolution for the CurveAlpha brush can now be adjusted using Brush > Alpha and Texture > Max Alpha to Mesh Size.VDM Brushes have been updated to work with Sculptris Pro.Several new Chisel 3D brushes are included.Chisel 3D brushes have been updated to work with Sculptris Pro.Of special note, Chisel 3D and VDM (Vector Displacement Mesh) brushes now work with Sculptris Pro mode, providing an easy way to build out your base meshes uses pre-sculpted elements. This release brings feature parity with ZBrushCore and ZBrushCoreMini. Patch notes (for all 2021.6 releases) are below: ZBRUSH 2021.6.6 UPDATE ZBrush 2021.6.6 is a FREE upgrade for all registered ZBrush users.

Zbrush 6.6