In 2018, UK cannabis laws changed through the Misuse of Drugs Regulations 2001,...

https://emiliojqnl442.iamarrows.com/149-why-did-the-government-choose-a-regulatory-amendme

In 2018, UK cannabis laws changed through the Misuse of Drugs Regulations 2001, allowing specialist doctors to prescribe certain cannabis-based medicines like Sativex and Epidyolex. Despite this, cannabis remains classified as a Class B drug for most uses