In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of...
https://www.apu-bookmarks.win/uk-cannabis-law-is-often-misunderstood-in-2018-the-misuse-of-drugs
In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of Drugs Act 1971—to allow cannabis-based products for medicinal use