Here is a change for the new season.
The Football League has agreed in principle to a change in what will be called the EFL Trophy formerly known as the Johnstones Paint Trophy
Premier League Academy Teams will be taking part...A compromise for no B Teams in an expanded Football League I think.
AFC Wimbledon wroteLeague announces Premier League trial for 2016/17
English Football League clubs have agreed, at their 2016 summer conference, to pilot a new format for the EFL Trophy as part of their ongoing commitment to creating more and better home grown players.
The one-season trial for season 2016/17 will include 64 teams made up of EFL League One and Two clubs, plus an additional 16 category 1 Premier League academy/under-21 sides.
Central to the competition (formerly known as the JPT Trophy) will be the introduction of a new group stage format with 16 regional groups of four teams. The top two teams will progress to the knockout stages of the competition with the final staged at Wembley Stadium in April 2017.
Full details for 2016/17’s competition will be finalised within the next 14 days.
The Football League was officially rebranded as the English Football League (EFL) yesterday.
From AFC Wimbledon website
Plans for EFL Trophy