SMRTR ProgrammingJul 1, 2025Facebook Engineering

An inside look at Meta’s transition from C to Rust on mobile

SMRTR summary

Two Meta software engineers are rewriting a critical messaging library from C to Rust, impacting Messenger, Facebook, Instagram, and AR/VR platforms. The latest Meta Tech Podcast episode explores this ambitious project, discussing the approach, challenges, and focus on developer happiness, despite the team's initial lack of Rust experience.

SMRTR provides this summary for quick context. The original article belongs to Facebook Engineering.

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