Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs...
https://www.romeo-bookmarks.win/in-2018-uk-cannabis-law-changed-through-an-update-to-the-misuse-of-drugs
Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs Regulations 2001, not the 1971 Act. This allows specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2 rules