In 2018, changes were made to the Misuse of Drugs Regulations 2001, not the...

https://xeon-wiki.win/index.php/Schedule_1_vs_Schedule_2_UK_Drugs:_What_Is_the_Difference%3F

In 2018, changes were made to the Misuse of Drugs Regulations 2001, not the Misuse of Drugs Act 1971, allowing certain cannabis-based medicines like Sativex and Epidyolex to be prescribed by specialist doctors under Schedule 2