Disembarking Agents Bug
If you have an agent on a ship that is about to make port, and the port you're heading to already has ships in it, when you dock the ship with the agent on it, the agent tab will not appear. Moving the ship that held the agent out and back into the port will not make the agent appear either. Instead, you have to move all ships in the port out and back in. Only once you've done that will the agent appear.