Katsuhiro Harada states that there are no plans for new characters in Tekken 7 right now following Steam Database update

Steam Database updates have generally given us a fairly accurate idea of when new DLC was on the way for games like Tekken 7 and Dragon Ball FighterZ though its latest change may not be the case according to the

Bryan Fury, Tekken Wiki

New Tekken 7 Characters Confirmed; See Them in Action Here - GameSpot

Tekken 7 Harada On Planned DLC. Nothing Planned

JPFGC Japanese Fighting Game Community Stuff

Interview: Katsuhiro Harada Talks About Bringing The Heat System In Tekken 8 - GamerBraves

🎮 Tekken 7 News

Bryan Fury, Tekken Wiki

Scumbag Capcom/Good Guy Namco : r/gaming

Katsuhiro Harada opens up about rollback netcode in Tekken 7 and server issues

Tekken 8 - Wikipedia

Can I download Tekken 7 in my PC? - Quora

Katsuhiro Harada's bucket list: Tekken, Summer Lesson and more Life in Japan — An 18-part look inside Japan's game industry