# Releases

- [v122-alpha.1](/releases/v122-alpha-1/) (2026-04-21) — vary var adaptive review loop, mutation engine overhaul with kill-first scheduling and hot-swap backend, Frugal PEG parser library, Dict generic codegen, operator overloading, fourteen new check rules, vary explain, and vary benchmark.
- [v118-alpha.1](/releases/v118-alpha-1/) (2026-04-05) — Sigstore release signing, vulnerability scanning, Quarkus and Pebble upgrades, vary review command, vary new templates, canonical naming, property testing, SLSA provenance, and release pipeline hardening.
- [v114-alpha.1](/releases/v114-alpha-1/) (2026-03-29) — Prelude discipline, first-class Path type, Result propagation operator, JSON decode DSL, system stdlib module, and comprehensive testing infrastructure.
- [v113-alpha.1](/releases/v113-alpha-1/) (2026-03-22) — Structured concurrency, effect system, bounded type params, 12 new stdlib modules, 28 check rules, CLI overhaul, and VAST as a release gate.
- [v107-alpha.1](/releases/v107-alpha-1/) (2026-03-14) — Structured logging DSL, is/is not None syntax, vary check diagnostic engine, VAST differential testing, mutation platform features, and dark mode.
- [v101-alpha.1](/releases/v101-alpha-1/) (2026-03-06) — Primary constructors, observe keyword, contracts, triple-quoted strings, CLI system, HTTP server, process execution, and website generator rewrite.
- [v99-alpha.1](/releases/v99-alpha-1/) (2026-03-01) — First public alpha. Compiler, test runner, mutation engine, formatter, LSP, and varyup.