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Endigest AI Core Summary
Slack rebuilt its notification system from scratch to resolve years of architectural complexity causing user confusion and noise.
•Four conflicting preference models (desktop/mobile mismatch) were replaced with one unified model offering three options: All new posts, Mentions, or Mute
•A read-time migration strategy moved millions of users to decoupled push/activity controls without risky database-level changes
•Auto-save behavior and reusable React components replaced the old modal, separating 'what to notify' from 'how to deliver' notifications
•Explicit desktop/mobile state storage eliminated preference sync inconsistencies across clients
•Post-launch results: settings engagement increased 5x and sustained, support tickets dropped, and per-channel overrides decreased
This summary was automatically generated by AI based on the original article and may not be fully accurate.
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