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v1.2.1 - Dependency Modernization

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@AngusHsu AngusHsu released this 01 Aug 14:35
v1.2.1
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v1.2.1 — Dependency Modernization

This patch release modernizes the MCP, calendar, astronomy, build, test, and security dependency stack without adding or changing the public MCP surface or calculation algorithms.

Highlights

  • MCP Python SDK 1.29.0 with current and legacy protocol initialization coverage.
  • Chinese calendar and astronomy upgrades protected by exact pre-upgrade golden fixtures.
  • Bundled DE421 data for offline installed-artifact calculations.
  • Standard CPython 3.11–3.14 support, with full tests on every version.
  • Native-uv Dependabot, frozen lock validation, vulnerability audit, and dependency review.
  • No known vulnerabilities in the frozen release graph.

The installed surface remains exactly 20 tools, 5 prompts, and 5 resources.

Deliberate deferrals

  • MCP 2.0 requires a separate protocol/API migration and is excluded by the v1 constraint.
  • zhdate remains at 0.1 because PyPI's advertised 1.0 metadata is not resolvable.
  • Python 3.14 free-threaded builds are not included in this patch's support guarantee.

See CHANGELOG.md for the complete dependency, compatibility, and security notes.

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