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Labyrinth 1.1: Making End-to-End Encrypted Backups Even More Reliable

Labyrinth 1.1 enhances end-to-end encrypted backups for Meta's Messenger. This update introduces a new sub-protocol designed to improve message recovery and data persistence across device changes and extended periods of inactivity, bolstering user data security and reliability.

Meta Engineering·May 11, 2026

Opening Kapyn…