Changelog 0.5.0 (2026-04-06) Features parse structured 429 responses for descriptive rate limit errors (dd16711) 0.4.0 (2026-03-13) Features switch default DataFrame backend to Polars (53bded5) 0.3.0 (2026-03-13) Features rename esios_data module to esios for cleaner API (dfe56d7) 0.2.0 (2026-03-13) Features add Release Please workflow for automated PyPI publishing (ed43f8a) Initial release — Datons Python client (8d3b15f)