Some of the main features include:
• Direct hair and guide editing with control points and brushes
• Moov Hair physics and Harmonic Oscillator provide a powerful way to simulate any type of hair, complex or simple
• Paint channel values directly on hairs or procedurally generate them with variables and expressions
• Use channel data for driving various parameters throughout the evaluation stack
• Fix intersecting hairs with Normalize modifier
• Clump hairs with powerful features like per-clump management and clump patterns
• Push Away From Surface modifier for accurate surface penetration fixing
• Resolve Collisions modifier to robustly keep hair away from an object, with animation controls
• Import and export to Alembic hair from external assets with all information intact
• Export hair to Unreal Engine 4
• Adopt External Guides operator to use a separate guides object for controlling pre-modeled hair
• SeExpr expression support for generating strand data in flexible ways while being able to access internal strand information
• Arnold and Redshift renderer support
• Elastic brushes and editing modes, allowing easier modification of hair as a volume
• Direct isolation and editing of hairs
• Ability to blend hairs which were grounded, allowing full control over their shapes
• Procedural Animation with recording directly to Alembic files
• Automatic grounding of baked hair and multiplied hair
• Hair and guides baking
• Convert mesh hair strips directly to hair with controllable parameters

Whats New:
Updates: official site does not provide any info about changes in this version.

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