Purim, 5778, and Moshiach

In the Midrash Mishlei 9:2 it is said that in the future time [of Moshiach] all the festivals will be annulled except Purim. They say the Name of G-d (YHVH) has been omitted from the Megilat Esther, but like the Torah whose sum of Yud’s (Y), Vavs(V), and Heys(H)...