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AgentXchain v2.21.0

2.21.0 closes honesty gaps in the product surface.

2.20.0 fixed release identity, but the repo still had a quieter problem: several front-door docs pages had drifted from the real scaffold and CLI, and the comparison pages were public positioning without repo-backed guards against competitor drift.

Upgrade:

npm install -g [email protected]

What changed since 2.20.0​

Release completeness now fails closed​

The publish workflow now treats downstream truth as a real completion gate.

That means:

  • canonical Homebrew tap truth is required for a complete release
  • the workflow fails when downstream surfaces are stale instead of finishing green on partial truth
  • the release playbook and release-doc guards now describe the actual CI contract, not a softer manual-follow-through story

This matters because a tagged npm package is not enough if the surrounding install surfaces can still drift.

The onboarding path now matches the shipped scaffold​

2.21.0 adds a dedicated First Turn walkthrough that bridges the one-command demo into a real governed repo.

It also audits the main operator docs pages against the actual product:

Those fixes are not copy polish. They close concrete drift like stale lifecycle sequences, scaffold assumptions, and capability descriptions that no longer matched real behavior.

Comparison pages are now guarded against lazy drift​

All four shipped comparison pages were re-audited against current official sources and tightened where we were understating real competitor strengths:

  • OpenAI Agents SDK: sessions, tracing, multi-provider model support, resumable approval interrupts
  • CrewAI: guardrails, checkpoint/resume, @human_feedback
  • LangGraph: Command, parallel branches, subgraphs, checkpoint-backed interrupts
  • AG2 / AutoGen: guardrails, Swarm-style handoffs, A2A / AG-UI support

comparison-pages-content.test.js now enforces that:

  • homepage, navbar, and footer link all shipped comparison routes
  • each page keeps the required sections and code-backed CTAs
  • competitor-strength claims remain anchored to the verified positioning matrix

That turns the comparison surface from free-floating marketing copy into a guarded public contract.

Why this release matters​

AgentXchain claims governance, evidence, and convergence over long horizons. That standard has to apply to its own front door too.

2.21.0 matters because it raises the bar on public truth:

  • release completion is fail-closed instead of advisory
  • first-run docs now match the real governed scaffold
  • competitor comparisons are audited and guard-tested instead of left to stale positioning

If the product is supposed to be trusted for long-horizon coordination, its own docs and release surfaces cannot drift silently.

Where to go next​

  • Start with the Quickstart for the current demo-first adoption path.
  • Read the First Turn walkthrough to move from demo to a real repo.
  • Read the CLI Reference and Protocol if you want the operator and constitutional boundaries.

Evidence​

  • 2372 node tests / 511 suites, 0 failures.
  • 761 Vitest tests / 36 files, 0 failures.
  • Docusaurus production build passes.