zshrs: a pure Rust zsh superset with JIT and native plugins
Summary
The article profiles zshrs, a Rust-based, JIT-compiled zsh superset designed to replace the classic Unix shell. It details the architecture (Cranelift JIT, fusevm, rkyv bytecode caches), a strict 1:1 port from zsh's C sources, in-process builtins, and a native Rust plugin ABI. It also covers deployment, concurrency, debugging features (LSP/DAP), and the emphasis on performance and cross-shell compatibility.