# What changed in datefinder

> 2 changes in datefinder 1 from its official release notes, upgrade guides and advisories. Each one cited. Sources checked 2026-10-17. HTML: https://unstale.sh/pypi/datefinder/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## datefinder 1

### Behavior and default changes

- The 1.0.0rc3 candidate line is promoted to final 1.0.0, making datefinder generally available. (1.0.0) — [release notes](https://github.com/akoumjian/datefinder/releases/tag/v1.0.0)
- find_dates(...) now defaults to the v2 compatibility engine. (1.0.0) — [release notes](https://github.com/akoumjian/datefinder/releases/tag/v1.0.0)