Bandai Namco has announced during its financial earnings call that Tekken 8 could release in 2023 [or later].
TEKKEN 8 is friendly to first-timers - GadgetMatch
Tekken 8 producer presented a detailed trailer of the fighting
Tekken 8 Closed Network Test Will Allegedly Hog Over 13 GB Space
Tekken 8 Release Date Could Be Revealed Very Soon –
Tekken 8: Rebuilding Tekken in Unreal Engine 5 + Tekken's Legacy
Rumor: Tekken 8 Release Date May Have Been Revealed
The game is not long in coming: the developers of Tekken 8 plans
Tekken 8 Gameplay Shown at The Game Awards - Insider Gaming
Tekken 8 Could Be Arriving in 2023
Tekken 8 Demo Drops on PS5 Thursday, Xbox and PC Release Next Week