This will be Bang Yedam's 2nd title track he's written this year for a YG artist. He wrote Seungyoon's title a few months ago.
Also something becoming more common is AKMU's Chanhyuk, one of the biggest hitmakers in Korea, on several YG artist tracks recently.
Along with Millennium, who was also going to be in TREASURE but chose to be a producer, there seems to be a youth movement in YG producer ranks.