In 2018, UK cannabis law changed through an update to the Misuse of Drugs...

https://www.unitedbookmarkings.win/since-2018-uk-cannabis-laws-changed-through-updates-to-the-misuse-of-drugs

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