It has been reported and is understood that Scuderia Ferrari have replaced Maurizio Arrivabene as the team principal, with Italian Mattia Binotto believed to have taken the hotseat. Arrivabene, aged 61, had been the team boss since December 2014, whilst Binotto was the former technical boss who had replaced James Allison (who is now with Mercedes).
It was also reported on the BBC, that Binotto had been approached by other teams (who were unnamed), and that Ferrari felt it necessary to promote him to the role in order not to lose him.
Many people were critical of Arrivabene and felt he made several mistakes and were not happy with his management. There were several strategic errors and it may be argued that a certain indecisiveness cost the team, particularly in Germany, where the team hesitated and dithered about imposing team orders before proceeding with them, and Monza when the team elected to put Kimi Raikkonen out on track last during qualifying in order to secure pole position, at Vettel's expense. Vettel in that race ended up being involved in contact with Hamilton and it cost him severely, spinning down to last before recovering to fourth, whilst Hamilton had gone on to win the race. There was also Suzuka when Ferrari decided to put their drivers on intermediate tyres in tricky conditions, when it was clearly too dry for those and slicks needed to put on.
Ferrari have not won the constructors' championship since 2008, in a year where Lewis Hamilton, who back then was driving for McLaren, had won his first world title. In 2019 Sebastian Vettel and Monegasque Charles Leclerc will be driving for the team.
To clarify, there has been no official confirmation from Ferrari as to whether Arrivabene will remain or not.