The main changes are:
1) Limited PS duty doesn't count
2) 2 additional slots, which different rules from the other 8. If you have 2 or fewer NFL seasons, you can be on one of these special PS slots, no matter how many games you were on the active roster for during those 2.a player must have a minimum of six games – up from the current three games – on a Practice Squad in order for that season to count as one of the player’s three permissible seasons of Practice Squad service.
Until now, a player lost practice squad eligibility if he played in 9 games in a single season. Now, he can play in all 32 games in his first 2 seasons and still retain practice squad eligibility.
David Bass and Jerry Franklin are qualifiers for the 2 new spots