Changelog

This changelog documents the development history of Psi-Continuum v2.

⚠️ Archived release notice
Version v0.2.3 is the final archived release associated with the Psi-Continuum v2 publication.
The codebase, API, CLI, data format, and documentation are frozen for long-term reproducibility.

v0.2.3 — Final Archived Release

• Final verification of full reproducibility pipeline
• Clean separation between software, datasets, and results
• Finalized CLI commands and entry points
• Frozen Python API (background-level only)
• Frozen documentation matching the published results
• Zenodo software archive created with DOI
• Repository marked as archived and unsupported

v0.2.2 — Full Pipeline Release

• Added interactive CLI menu (psi-cli)
• Added dataset downloader (psi-download-data)
• Added automatic directory creation for results
• Added DESI DR2 BAO Gaussian likelihood
• Added joint χ² tests (SN + H(z) + BAO)
• Added ε₀ parameter scan and profiling
• Fixed all analysis scripts and unified path handling
• Added publication-ready figure generator
• Improved documentation and path resolution logic

v0.2.1 — First Public Release (Not stable)

• Initial public release of Psi-Continuum v2
• Core ΛCDM and ΨCDM background solvers
• Pantheon+ SH0ES supernova likelihood
• Cosmic-chronometer H(z) likelihood
• SDSS DR12 BAO likelihood
• Basic testing and validation scripts

v0.2.0 — Initial Upload

• Initial clean upload of the Psi-Continuum v2 codebase
• Internal development structure
• Early prototype analysis scripts