In 2018, UK cannabis law was updated through the Misuse of Drugs Regulations...

https://wakelet.com/wake/gaHDPpB4XRPlwVc-8F_Am

In 2018, UK cannabis law was updated through the Misuse of Drugs Regulations 2001, not the Misuse of Drugs Act 1971. This change allowed specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2