Dragon Ball FighterZ has been updated to version 1.29 today by Bandai Namco. You can find out the complete patch notes for this update from here.
The patch notes mention that this update is related to fixing fighting mechanics. You can find out some of the details on this update with the patch notes although no bug fixes have been shared as of yet.
Dragon Ball FighterZ Update 1.29 Patch Notes
– Fixed issues with fighting mechanics
– Updated replay data version
(Replay data from older versions cannot be played)
DB FighterZ is available now for the PS4, Xbox One, PC, and Nintendo Switch.