Shnatsel, September 22, 2026 fearless_simd takes unsafe out of SIMD. It has come a long way since the original prototype 8 years ago . We are now confident that whatever it is you need, be it just autovectorization and multiversioning, or full-blown portable SIMD abstractions, or safe access to intrinsics and nothing more, Fearless SIMD will serve you well. Instead of paraphrasing the changelog , I'd like to take this opportunity to reflect on the goals of Fearless SIMD, how it achieves them, and what sets it apart from other SIMD abstractions. Performance A common criticism leveled at portable SIMD abstractions is that they aren't performant enough, so we've put a lot of effort into making sure that Fearless SIMD never holds you back.…