UK cannabis law changed in 2018 when the Misuse of Drugs Regulations 2001 was...

https://charlie-wiki.win/index.php/What_Does_It_Mean_That_Cannabis_Remains_Controlled_in_the_UK%3F

UK cannabis law changed in 2018 when the Misuse of Drugs Regulations 2001 was updated, allowing specialist doctors to prescribe cannabis-based medicines listed as Schedule 2 drugs. This includes licensed products like Sativex and Epidyolex