In 2018, the UK changed the Misuse of Drugs Regulations 2001 to allow...

https://penelopesimpressivejournal.urbanvellum.com/posts/why-does-the-uk-keep-cannabis-as-class-b

In 2018, the UK changed the Misuse of Drugs Regulations 2001 to allow specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex