In 2018, UK cannabis law was updated—not by changing the Misuse of Drugs Act...
https://jeffreyssmartnews.publishlane.com/posts/can-a-gp-prescribe-medical-cannabis-in-the-uk
In 2018, UK cannabis law was updated—not by changing the Misuse of Drugs Act 1971, but by amending the Misuse of Drugs Regulations 2001