For full transparency, we utilize a third party provider for our sending platform capabilities. It is not 100% in our control, as much as we’d like it to be, and you’d experience these issues anywhere.
If you refresh the page whilst a conversation is open in the master inbox, it will only show that reply
9/10 this can be fixed by flicking between unread replies and replies
Or by clearing cache, new browser, updating Chrome
If this issue persists, contact our Slack community channel for help