Pirelli have added the 'super hard' and 'hypersoft' tyres into the mix for the 2018 season, extending the line-up from five different compounds to seven.
Marcus Ericsson has conceded that he is "nervous" that his future with Sauber has still yet to be resolved as Ferrari push for Antonio Giovinazzi to take his seat for 2018.
A disinterested Fernando Alonso was not particularly forthcoming about his good memories involving McLaren-Honda as they prepare to close the final chapter in the relationship.
There was a relaxed atmosphere at the final drivers' press conference of the season in Abu Dhabi with Sebastian Vettel and Lewis Hamilton sharing jokes about their rivalry in 2017.
Sebastian Vettel joked the 2018 season could be a "walk in the park" for Ferrari if they make the same step in progression like they did in 2017.
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