Desynchronization after network outage
Client is incapable of synchronizing with server after network interruptions, even those which only last a few seconds—despite taking 10 or more seconds to reestablish the connection after the outage. What is it even doing during all that time? Seems inexcusable given that this is supposed to be a platform which supports professional competition.
It is not uncommon for lands to remain unusable after a brief network outage until the client is restarted—which also takes far longer than it seems like it ought to.
The attached screenshot is an example of a situation where one of my lands appeared to be untapped but was not usable because there had been a brief network outage earlier.