Since 2018, UK cannabis law has seen a key change: the Misuse of Drugs...

https://www.tntmagazine.com/leisure-entertainment/leisure/why-is-cannabis-still-illegal-in-the-uk-the-history-behind-medical-cannabis-law/

Since 2018, UK cannabis law has seen a key change: the Misuse of Drugs Regulations 2001 were updated to allow specialist doctors to prescribe certain cannabis-based medicines, like Sativex and Epidyolex