I've just started looking at this feature and also feel like for it to be valuable...

The moment I click on one of the tiles and am taken to the actual ticket, that tile and any older tile representing older updates to the same ticket should either:

A) go away completely or

B) change color and compress down to a single clickable line (in case I want to revisit it)

I suppose if you are REALLY on top of your updates, then you'd be able to say that only the first "un-scrolled page worth" is important, but with the number of tickets I have and with the volatility of them, I really need to go about 3-4 scrolls deep to just see everything that came in while I was away at lunch!

Having control over what remains visible in this queue would vastly improve its usefulness.