Hi,
we have in an multiplayer game found an new bug (dont have read over this ..)
It is related to flets and upgrading ships in the fleet ...
An friend have the starter science ship (medium hull) and 4 small hull early fighter ships in an fleet ...
He then upgrade the fighter ships to an better desing ...
Then he press "round end" ....
On his screen it was then the grey "Waiting" in the round-end button ..
But - the same on my screen (was 2 player multiplayer ..) .... (so we was stuck ..)
Big luck he remember the thing with upgrade ships ...
He look at his fleet .. end see the science ship have move points left ...
o.k. - he move it out of the fleet - THEN his "round-end-button" show suddenly "ship waiting" ..
If he move the ship THEN the round is going on as expected ..
So this was the bug at first -> an ship in an fleet where all ships are upgraded "except" this ship, is not displayed as "ship waiting" - if the friend dont remember this and checked - we have musst canceled the game and reload last available save ..
But the problem was sadly not finished with this ..........
Next round, he have 2 "Ghost" ships in the fleet ....
The fleet have one invisible ship where he move out, and then an additionaly - both are "connected" to the scince ship , have the exactly same stats ... we have tryed to decommission one of the ghost ships - the other ghost ship then shows absurd high stats (in the millions ..) and then crash his game ...... 
We have found move the ghost ships out of the fleet and then save and reload the game "delete" the ghost ships, as it is after reload now vanished ... (we hope ..)
Regards