UK cannabis law changed in 2018 when the Misuse of Drugs Regulations 2001 were...

https://bizzmarkblog.com/is-cannabis-decriminalised-anywhere-in-the-uk/

UK cannabis law changed in 2018 when the Misuse of Drugs Regulations 2001 were updated to allow specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex. However, cannabis remains a Class B drug for recreational use