I was just using G84. Never heard of G84.2.So were you using G84.2?
My Hitachis use M29 with G84 or G841 alone
My Yasnacs use G93 to sync the spindle in G84
My Mitsus use r1 to sync the spindle but there is usually a setting to so you don't need to call r1 in your tapping cycle.