Shot Timing Release time determines your 2K23 MT preferred release time to hit the shot button to make your jump shot. The best choice here is to set this option to 'Early', which is by far the most frequently used option. A majority of the best NBA players maintain their shot timing release times at 'Early'. Since it gives that extra edge when making those perfect green jump shots in the game.
In simpler words, selecting the settings to 'Early' notifies the game that you wish your green window to be at the top of the jump shot bar.