Ongoing tournament rule change playtest: final seating

To make it more official, there is an ongoing playtest of a rule change regarding seating in the final. This playtest is supported by the National Coordinators of those countries: Spain France United Kingdom United States Ireland Netherlands as well as those countries which were willing to give a try, if possible: Australia South Africa Singapore Hungary Malaysia Germany Belarus Tournaments using the new rule are sanctioned as usual. For more details, please contact your National Coordinator. Prince of Paris, France Ratings Coordinator, Rules Director

I totally missed this thing. Count Italy among the willing to try Lurking in the underground of Bologna, Italy

Would you may to explain the testing in question please?