Updates to Android are regulated by your network operator in the UK. The network will receive the latest updates, they fine tune it with bloatware and release it.... HOWEVER.... if your phone is unbranded like mine and fully unlocked to all networks. It gets it straight from Samsung upon release.
My S20+ 5G model is G986B/DS
Galaxy S20+ G986B/DS Enterprise Edition (EE) Unlocked "UI 2.5"