Rarity on items has been arbitrary and with little reasoning behind them for years now, the following list aims to bring it in line with how vanilla does it and actually show which items have rarity to them (example of the Raven Feather, Torchberries, and Armor Shard no longer having the Uncommon rarity while they are just normal commonly found items).

Polite Pastebin link to keep the issue size down: https://pastebin.com/uY5YRNn8