zlib data compression library for the next generation systems Zlib compatible API with support for dual-linking Modernized native API based on zlib API for ease of porting Deflate medium and quick algorithms based on Intel’s zlib fork Support for CPU intrinsics when available CRC32-B implementation using PCLMULQDQ, VPCLMULQDQ, ACLE, & IBM Z Slide hash implementations using SSE2, AVX2, ARMv6, Neon, VMX & VSX Compare256 implementations using SSE2, AVX2, Neon, POWER9 & RVV Adler32 using SSSE3, AVX2, AVX512, AVX512-VNNI, Neon, VMX & VSX Inflate chunk copying using SSE2, SSSE3, AVX, Neon & VSX Support for hardware-accelerated deflate using IBM Z DFLTCC Safe unaligned memory read/writes and large bit buffer improvements Includes improvements from Cloudflare and Intel forks