Zig Compiler Makes Strides: AArch64 Backend and Performance Boosts

The Zig compiler team made significant progress in 2025. They completed the AArch64 backend, which outperforms the x86 backend, resulting in substantial speed improvements and a smaller compiler executable size. Furthermore, parallelization of the x86_64 backend drastically improved compilation speed, with some test cases showing up to a 50% increase. These improvements mark the Zig compiler's best performance yet.