21CTO

Oct 4, 2026 · Fundamentals

Zig 0.17.0 Released: Sub-Second Builds, New Build System & Architecture

Zig 0.17.0 introduces a two-phase build system separating configuration and execution, a Build Server Protocol for editor integration, a self-hosted incremental ELF linker on x86_64-linux, and a thread-safe SafeAllocator cutting memory use by 50% and test time by 25%, alongside breaking language semantic changes like @bitCast redefinition.