This format changed would allow advertisements to run while the action continues on in the ring. WWE tested this format on a trial basis for a couple episodes last year, most notably during the 2016 WWE Draft special.
The article notes:
“When the commercial break starts, the sound will go down on the action, but viewers will still be able to see the “Superstars” bash each other with steel chairs and jump from the turnbuckles. Meanwhile, the ad message plays with sound and motion.”