Quoting 

CME Globex Performance Enhancements Starting this Sunday, July 10, CME Group will implement an enhancement to futures and options markets on the CME Globex platform. In internal testing, these enhancements reduced latency on CME Globex greater than 10% for futures markets and 25% for options on futures. There will be no changes to functionality or messaging format with these performance improvements. Good 'Till Cancelled and Good 'Till Date (GTC/GTD) orders will not be impacted.

Source: 20160704 - CME Group

But:

Quoting 

Update - MDP 3.0 Schema † Denotes update to the article Starting on Sunday, September 25 (trade date Monday, September 26), CME Group will begin implementing new MDP 3.0 SBE schema files to support the upcoming Market by Order, Triangulation and Consolidated Fills initiatives on CME Globex. For more information regarding these initiatives, please see the CME Group Customer Forum. With the new MDP 3.0 SBE schema release, CME Group expects up to a 10% bandwidth increase per market data channel.

Source: 20160704 - CME Group

For all but the fastest of the fast, who can take advantage of this, I suspect this is basically meaningless.