Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs...

https://victoriasnewthoughts.scriblorax.com/posts/why-do-some-articles-say-medical-cannabis-is-legalised-in-the-uk

Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs Regulations 2001—not the 1971 Act—allowing specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2 rules