(Pretend this is all listed with the rest of the information, I definitely blanked...)

-- canon jumps time-skips can occur, where a passenger may suddenly find themselves waking up the following morning with new memories of their lives back home
-- this can be accompanied by physical changes (skulduggery simply writes "I got a new skull out of it.")
-- these time-skips are completely random and as of yet have no explanation
-- Friday calls it a "timeline whoopsie-daisy" and the Captain has no clear understanding of how they happen