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...
Source: https://www.phoronix.com/news/Mozilla-Firefox-zlib-rs-Usage
Aggregated via Linux News
Source: https://www.phoronix.com/news/Mozilla-Firefox-zlib-rs-Usage
Aggregated via Linux News

