Blog•Mar 30, 2026
Slack Rebuilt Notifications for Millions of Users
Slack overhauled its notification preferences, merging four fragmented systems into a unified model that separates what to notify from how to deliver. The redesign fixed the misleading “nothing” option that still sent in‑app badges, restoring predictable behavior across desktop and mobile. Engineers backfilled the new push‑enable flag for millions of users, avoiding disruption or migration emails. Early metrics show a sharp drop in support tickets tied to notification overload.
