Movim • Mozilla Firefox Usage Of zlib-rs For Better Safety & Performance

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Mozilla Firefox Usage Of zlib-rs For Better Safety & Performance

news.movim.eu / Phoronix • 17 June 2026

Since the release in May of Firefox 151, Mozilla has been relying on the zlib-rs library for Gzip compression/decompression. This subtle change to use this Rust-based Zlib implementation has yielded some performance benefits and better memory safety but also some headaches when dealing with Intel CPU bugs...