The 2016 Formula 1 season had a very unusual prelude: a late finish to the previous calendar, a late start to testing and then just eight days of running at Barcelona.
The regulations have hardly changed for this year, yet there are huge changes coming next year.
Teams are having to apportion resources on resolving issues from 2015 while being mindful of the upcoming changes, and for those playing catch-up the compressed testing period was a handicap.