Back in March, Slack launched a significant update to Slack’s design. It wasn’t just one change, but a constellation of them—some shiny new things (channel sections!), some old things in new places, and a general spring cleaning of information architecture.
These changes addressed a basic challenge that had grown naturally with Slack: with size comes complexity. As different product teams added new capabilities piecemeal, Slack started to feel not intuitive for people trying it out for the first time.