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

https://griffinucyk847.iamarrows.com/why-does-the-uk-keep-cannabis-as-class-b

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