www.tes.com/news/school-news/breaking-news/were-mystic-meg-headteachers-left-dark-over-new-exams
So it looks like the omnishambles that is the introduction of new GCSEs and A-levels continues.
Teachers said that they needed a year to prepare for the new syllabus, the exam boards submitted their specs and SAMs on time to Ofqual, and Ofqual has rejected most of them. Given that maths only got revised sample assessment materials in July for first teaching in September, I'm wouldn't be confident of approval any time soon.