My review on the new mini client,

1. Slow Loading (even the event already loaded previously, but still when ever going to do the same thing, it's load like it is new)
2. Lags (compare to the old version of the mini client, the new mini client lags and seems like consuming too much of PC memories)
3. Difficult to log in (in a sense when going to enter the game, it might take a few refresh to have it load the game)