Following the recent Billy Caldwell case, the Home Secretary has announced a review into the scheduling of cannabis for medicinal purposes. If the review identifies significant medical and therapeutic benefits, then the intention would be to reschedule cannabis for medicinal use. The first part of the review will consider the evidence available for the medicinal and therapeutic benefits of cannabis-based medicines. This will inform which cannabis-based medicines should be taken forward to part 2 of the review, will provide an assessment based on the balance of harms and public health needs, of what, if anything, should be rescheduled.
https://www.gov.uk/government/news/home-office-launches-review-into-medical-use-of-cannabis