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Changelog

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

[1.0.0] - 2026-03-06

Added

  • docs/CONTRIBUTING.md — developer guide: setup, test, add provider, code style, PR checklist
  • docs/DATA_SOURCES.md — complete documentation for all 7 verified data sources

Changed

  • Stable public API — all modules complete, backward compatibility guaranteed from this version
  • Full docstrings on all public methods (Args, Returns, Raises, Example)

[0.5.0] - 2026-03-06

Added

  • Swiss Confederation bond yields (Bonds.get_yield, Bonds.get_yield_curve, Bonds.get_historical_yields)
  • 13 standard maturities: 1y, 2y, 3y, 4y, 5y, 6y, 7y, 8y, 9y, 10y, 15y, 20y, 30y
  • Data sourced from SNB official API (rendoblid cube)

[0.3.0] - 2026-03-05

Added

  • SARON daily fixing (SNB.get_saron_daily, SNB.get_historical_saron_daily)
  • Swiss CPI index (CPI.get_current, CPI.get_historical)
  • Swiss YoY inflation rate (CPI.get_inflation_yoy)

[0.2.0] - 2026-03-05

Added

  • SARON monthly average (SNB.get_saron, SNB.get_historical_saron)
  • CHF FX rates for 9 currencies (FX.get_rate, FX.get_historical_rates, FX.list_currencies)

[0.1.1] - 2026-03-05

Fixed

  • Improved error message when no data available for requested date range
  • Added validation: raises ValueError when start date is after end date

[0.1.0] - 2026-03-05

Added

  • Initial release
  • SNB policy rate (SNB.get_policy_rate, SNB.get_historical_rates)
  • Provider architecture (ProviderRegistry)
  • Full test suite with CI/CD via GitHub Actions