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New Jun 3, 2026
Lights Out, Systems On: Validating Instant Power Loss Readiness
We’re introducing Instantaneous PowerLoss Storm, a new testing paradigm within Meta’s infrastructure for handling and mitigating instant or zero-notice power loss in our data centers. We’re sh...
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New May 26, 2026
SilverTorch: Index as Model — A New Retrieval Paradigm for Recommendation Systems
We’re introducing SilverTorch, a reimagining of recommendation systems that unifies all retrieval components for user generated content under a unified architecture. SilverTorch shows up to 23.7x hi...
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New May 13, 2026
Reel Friends: Building Social Discovery that Scales to Billions
On its face the new Friend Bubbles feature looks simple enough. It highlights Reels your friends have watched and reacted to. But sometimes the features that seem the most straightforward require th...
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New May 12, 2026
Migrating Data Ingestion Systems at Meta Scale
Meta’s data ingestion system, which our engineering teams leverage for up-to-date snapshots of the social graph, has recently undergone a significant revamp to enhance its reliability at scale. Mo...
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New May 11, 2026
Labyrinth 1.1: Making End-to-End Encrypted Backups Even More Reliable
We’re rolling out version 1.1 of Labyrinth, the encrypted storage system and protocol that secures messages and history on Messenger. Labyrinth 1.1 enhances the reliability of end-to-end encrypted ba...
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New May 1, 2026
How Meta Is Strengthening End-to-End Encrypted Backups
The HSM-based Backup Key Vault Meta’s HSM-based Backup Key Vault provides the foundation for end-to-end encrypted backups for WhatsApp and Messenger. The system allows people to protect their ba...
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New Apr 21, 2026
Modernizing the Facebook Groups Search to Unlock the Power of Community Knowledge
We’ve fundamentally transformed Facebook Groups Search to help people more reliably discover, sort through, and validate community content that’s most relevant to them. We’ve adopted a new hybrid re...
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New Apr 16, 2026
Capacity Efficiency at Meta: How Unified AI Agents Optimize Performance at Hyperscale
We’re sharing insights into Meta’s Capacity Efficiency Program, where we’ve built an AI agent platform that helps automate finding and fixing performance issues throughout our in...
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New Apr 16, 2026
Post-Quantum Cryptography Migration at Meta: Framework, Lessons, and Takeaways
We’re sharing lessons learned from Meta’s post-quantum cryptography (PQC) migration to help other organizations strengthen their resilience as industry transitions to post-quantum cryptography st...