Take a look at the Tekken 8 patch notes for update v1.02.01 including an overview of the Tekken Shop and various bug fixes.
Tekken 8 Version 1.02.01 patch notes released, update dropping later this week
TEKKEN (TEKKEN@) / X
Tekken 8 patch notes: Version 1.01.04 brings bug fixes, frame changes
Tekken 8 Version 1.01.04 patch notes released
Tekken 8 Version 1.02.01 Patch Notes Released
TEKKEN (@TEKKEN) / X
Tekken Community
Tekken 8 Version 1.02.01 Patch Notes: Everything you need to know
Download TEKKEN 8 Ultimate Edition v1.02.01-P2P