What's New and Important Changes

Modules
	Low Latency Best Practices
	Redesigned Order Books
	Redesigned Books Changes
	Naturally Refreshed Order Books
	Order Book Cloning Concept
	New FIX Message Interface
	Decimal Type for Manipulating Prices
	New Settings Affecting Handler's Behavior

Detailed Description

Given section explains major updates and critical changes done by development team into Handler's API and behavior.