Emblazing

I'm keen to have sugar/sugarcane to make rum.

That'd be a fun addition - if once you drink too much you black out and wake up next to a bear or something. GTA style.

I saw this thread a while ago and decided to make a mod to add more tavern-themed drinking vessels to the game (although it's still WIP). I can't guarantee your tavern patrons won't die from alcohol poisoning, but at least they can look cool whilst doing so. Here's the link to it on the VS ModDB site: Tankards & Goblets - Vintage Story Mod DB