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

https://www.save-bookmarks.win/in-2018-uk-cannabis-law-changed-through-the-misuse-of-drugs-regulations-2001

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