v0.6.1

Added

• (example) add comprehensive astrometry transformation guide

Other

• add inline annotations to vector and matrix functions
• (docs) update READMEs with version metadata and formatting
• (bench) implement automated benchmarks for core astronomical modules

v0.6.0

Added

• (projection) implement gnomonic projection functions
• (coords) implement ecliptic, galactic, and geodetic transformations
• (vm) add pv-vector and rotation matrix utilities

Other

• (erst) add era00 verification
• (star) migrate catalog conversions to modular structure
• (fundargs) migrate to modular directory structure
• standardize and professionalize README files in English and Chinese
• add missing documentation for pnp routines and cross-language links in READMEs
• correct project name in README files

v0.5.1

Other

• enhance documentation for various functions in pnp module

v0.5.0

Added

• Implement comprehensive IAU SOFA pnp routines (64 total)
• Add complete unit tests for all pnp routines against SOFA C canonical results
• Register and export CIP/CEO series routines (xys00a, xys00b, xys06a)

Changed

• refactor(pnp): change pnp API to return arrays instead of using mutable reference parameters
• refactor(astro): update apci, apco, and pvtob to adapt to new pnp API
• test(erst/vm): refactor unit tests to use standardized accuracy verification helpers

Fixed

• fix(fundargs): implement mean longitude of Neptune calculation in fane03

v0.4.5

Added

• implement moon98 and plan94 function
• add time scale transformations for TAI, UTC, TDB, TCG, and TT

Other

• reorder import statements for consistency
• simplify match statements for time conversions

v0.4.4

Other

• update build status badge workflow in README files

v0.4.3

Added

• add release-plz workflow for automated releases

v0.4.2

Added

• implement multiple astro functions and sync changelog

v0.4.0

Added

• add ut1tt function for transforming UT1 to TT

v0.3.3

Added

• add ut1tt function for transforming UT1 to TT