Everything you need to get ready for the A2 Key and B1 Preliminary revisionsis on https://keyandpreliminary.cambridgeenglish.org/
Cambridge English has added new posts to the Cambridge English blog, which explain the benefits and the research behind the changes: https://bit.ly/37ch4KD.
New support materials: Exam Boosters (Discover it by clicking on https://bit.ly/37dQIrt)
Together with Cambridge University Press, Cambridge English has produced new Exam Boosters for the revised exams. These include over 40 exam tasks, exam tips and practical information that can be used in class or for home study.