Difference between the ECC version 6.04 and 6.06

Scenario: Quote one difference between the ECC version 6.04 and 6.06

Solution:  Version 604 has the following options in Cash Journal

Whereas version 606 has the following

Define Numbering Groups: If you want the system to number incoming and outgoing cash payments using separate number ranges, you can define numbering groups for the incoming and outgoing cash payments. Each cash journal can have two cash document groups. One is used for the incoming cash payment, and the other is used for the outgoing cash payment. You must use 01 as the number range interval for the number range objects.