Changelog

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All notable changes to Victoria will be documented in this file.

Unreleased

0.1.0 — 2026-07-20

Initial public release.

Added

  • Strict loading and validation of Apalache ITF traces.
  • Fixed-trace conformance verification.
  • Opaque implementation lifecycle through Victoria.Model.
  • Sequential replay with initialization, cleanup, and structured failures.
  • Exact expected/observed state verification.
  • ExUnit assertions for fixed traces.
  • TLA+ specification and Apalache invocation planning.
  • Shell-free Apalache v0.58.3 execution.
  • Deterministic trace discovery and materialization.
  • Versioned Apalache run lifecycle manifests.
  • Generated conformance workflow orchestration.
  • ExUnit assertions for generated workflows.

Known limitations

  • Only Apalache v0.58.3 is supported.
  • Apalache execution is synchronous and has no Victoria timeout.
  • Cancellation and caller-death handling are not implemented.
  • Lasso traces can be materialized but cannot be replayed.
  • ITF tagged-value support is intentionally partial.
  • State comparison uses exact Elixir ===.
  • Generated traces are verified sequentially.
  • Generated verification stops on the first failing trace.
  • Apalache run artifacts are retained automatically.
  • Public APIs may change during the 0.x series.