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Changelog

The canonical changelog is maintained at the repository root — see CHANGELOG.md on GitHub for the complete history of releases, epics, sprints, and security entries. The most recent release and post-release highlights are summarized below. The next planned release is the 0.4.0-rc.1 platform bundle (release-manifest.toml); no tag newer than v0.3.0 exists yet.

Unreleased highlights

Work landed since v0.3.0 (full detail in the Unreleased entries of the root changelog), newest first:

  • Runtime correctness and observability (2026-09 to 2026-10) — the DAG executor fails closed on non-terminal steps and runs the same scheduling rules as the orchestrator, modelled in Lean (ADR-060); the LangGraph adapter runs each step once after all its dependencies (ADR-062); secret masks keep JSON replies parseable (ADR-061); run records are written atomically.
  • Models and providers (2026-07 to 2026-10) — Mistral La Plateforme provider, GitHub Models removed from the tier chains, retired NVIDIA models replaced, onnx:<folder> ids run in chat with weight verification, cost-lane ceiling (ADR-059).
  • Evaluation and workflows — the eval gate scores through the runtime instead of agentic-v2-eval and rejects malformed scores; step scoring reports unavailable instead of an automatic 0.7 and uses the optional EvalKit 0.4.1 bridge; new plan_tribunal workflow and a reworked fullstack_generation; study telemetry and the SWE-AB ledger.
  • Dashboard — the Evidence Ledger design system, accessibility pass and design guardrails (ADR-054).
  • Curated model registry + drift detection (2026-06-25) — single source-of-truth model registry feeding both engines, with probe-time quarantine of retired model ids (ADR-040).
  • Epic 7 — First-Run Experience (2026-05-21) — zero-credential onboarding, GettingStartedCard, NoProviderConfiguredError guidance, devcontainer PR gate.
  • Epic 8 — Production Readiness Pack — OIDC JWT authentication, tenant isolation, append-only audit logging, model-weight integrity verification.
  • Sprint 1 — Production hardening (2026-05-14) — API rate limiting + per-IP auth throttle, DAG top-level timeout, wire-format drift gate extended to six shapes (eight today), tool-safety security fixes (S1-01 – S1-07).
  • Sprint 2 — Operability at scale (2026-05-18) — Redis-backed circuit breaker, Prometheus /metrics endpoint, W3C traceparent propagation, WebSocket replay persistence, eval-package mypy strict cleanup.

[0.3.0] — 2026-04-22

First tracked release of the platform. Bundles Epic 1 (Platform Foundation), Epic 2 (Observable Execution), Epic 3 (DevEx / Windows), Epic 5 (Console UI Polish), and Epic 6 (Evaluation & Data Depth). Epic 4 was never authored — the number was skipped during planning; it is a tombstone, not a regression.

Per-item detail, known limitations shipped with caveats, and migration notes for v0.3.0 live in the root CHANGELOG.md.