Meta's Transition from C to Rust on Mobile
Jul 01, 2025
Sources: https://engineering.fb.com/2025/07/01/developer-tools/an-inside-look-at-metas-transition-from-c-to-rust-on-mobile/, Meta
Meta's Transition from C to Rust on Mobile
Meta is modernizing its mobile systems by transitioning from legacy C code to Rust, enhancing performance and safety.
Meta is undertaking a significant project to rewrite its decades-old C code in one of its core messaging systems using Rust. This transition aims to modernize their software infrastructure, improving performance and safety. The initiative is discussed in detail by software engineers Elaine and Buping on the Meta Tech Podcast, highlighting the challenges and motivations behind such a large-scale modernization effort.