In 2018, UK cannabis law was updated through changes to the Misuse of Drugs...

https://post-wiki.win/index.php/Is_There_a_Review_of_the_2018_Medical_Cannabis_Change_Happening_Now%3F

In 2018, UK cannabis law was updated through changes to the Misuse of Drugs Regulations 2001—not the 1971 Act—allowing specialist doctors to prescribe certain cannabis-based medicines like Sativex and Epidyolex under Schedule 2