I just got my first bug since starting to play last Tuesday. I sent 3 dwellers out into the wastelands to explore for me at 1030am this morning, when my son got on to collect on my vault and play on his, he noticed my explorers were out of stimpacks and had been out for 15 days. Following my SOP he had them return to my vault. The time its taking for them to come back is several days and I've also noticed that my power, food and water consumption isn't counting down.