lab vault upgraded?

[Pocus]

How the laboratory item vault evolved from dominions I? Specifically, how many slots do we have to store items?
reminder : the restriction on 14 slots led to two things :

1- having to store excess items on placeholders leaders, which was bothersome somehow.
2- item bombing abuse : most often than not it was not voluntary from the player doing that, but still a pain. Is this fixed?


Lastly, do we have a tool which can tell us where our items are on our leaders? A search box, or a table listing items possessed on all leaders? try to find your staff of storm in a big game, you will understand the problem...

thanks in advance for the answer.