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Effect 4.0 rebuilds the TypeScript effect system from the ground up: zero-dependency core, ~5× smaller bundles, ~6.4× concurrent throughput, 86% less memory per fiber, and a long-term support policy through at least 2029.
2 min · 433 words
Better prompt caching for GPT-6
OpenAI explains GPT-6 prompt-caching improvements: higher cache hit rates, new diagnostics, explicit breakpoints, and controls aimed at cutting latency and inference cost.
3 min · 623 words
Linebender ships fearless_simd 1.0: safe Rust SIMD that covers autovectorization, portable abstractions, and intrinsics access—reflecting on design goals after eight years from the original prototype.
4 min · 999 words
Release notes for jemalloc 5.4.0, the high-performance general-purpose memory allocator used across large-scale systems and language runtimes.
3 min · 762 words