PM upgrades - available to all users, not just Premium 👍

Ability to archive old chats - buttons on the inbox page or the top of the page where you read the PMs
Ability to view the archive - in case you realise there was info in a PM that you actually needed!
Filter on name - top of column
Filter on subject - top of column
Search - to find a word in PM conversation

Nice one Karl 👍🏻👍🏻