POKEMON GO 0.63.4 UPDATE
While a big Pokemon Go update is expected in the not so distant future, players shouldn't get their hopes up. The numbering (1.33.4 and 0.63.4) implies that only minor fixes are on the way. For reference, Pokemon Go's current numbering is 0.63.1 on Android and 1.33.1 for iOS.
However, while we shouldn't expect anything too big in the update, that doesn't mean that it'll be a total waste of time. We could get some new information about the gym overhauls or Legendary Pokemon hidden in the game's code, which would be revealed when the update gets datamined in the next day or two.
This week is already shaping up to be a huge Pokemon week, between tomorrow's main series announcement and the prospect of an Pokemon Go event announcement. We'll keep you updated on any new surprises found in the Pokemon Go update in the next day or so.