This was only happening intermittently, now it is constant. I have 12 items in the queue, half at zero. I also have the same problem with the recruitment, eg click 30 LS game updates and all of a sudden you got trannies in the queue. Same with ground units, more noticeable with harbour.
This is really roasting my pelican, I suggest the devs simply reload the last version, thus scrapping the latest updates, and start work again on the bug fixes for the last update, introducing them one by one to see which bug fix created the new bug.
It seems as though the devs are chasing their own tails, each bug gets fixed, but in fact replaces the first bug with a second, not so annoying bug.
It kinda reminds me of grandma's girdle; every time a bit got tightened up to squish in the fat, another lump of fat would simply pop out elsewhere.
Anyway, I digress. There's only so much that players are willing to take, and the failure of inno to fix what is a really annoying bug in the acceptable time frame is leaving a lot of people really rather miffed.