Additional information about the Military unit amount mismatch:
Lost Expedition troops were not subtracted from the total amount of military units.
Therefore, they were also not subtracted from the amount of existing settlers in the population limit.
This was fixed. Additionally, the calculated total amount of military units was halved for every player.
Don't be afraid: No units were deleted.
Since the population limit relies on the "Military units" amount, the quantity that got subtracted was taken off the amount of settlers "in use" as well.
Once the real amount of existing military units decreases and hits the displayed "Military units" amount, the calculation starts over and all displayed amounts should be correct again.