What's new for the millennium generation facing gaokao?

In two days millions of Chinese students, most of whom were born in 2000, will sit for the national college entrance exam, or gaokao. Given that most of them were born at the turn of the new millennium, they are bound to attract attention. The exam is an important part of the country's talent selection process that has evolved over the 41 years since its restoration in 1977. So, what are the newest changes to the exam Generation Z will face this year?