# What changed in arelle-release

> 18 changes in arelle-release 2 from its official release notes, upgrade guides and advisories: 1 breaking, 6 new APIs and options. Each one cited. Sources checked 2026-10-24. HTML: https://unstale.sh/pypi/arelle-release/

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

## arelle-release 2

### Breaking changes

- Drops support for EOL Python 3.10. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)

### New APIs and options

- Implements IRD ixbrl_technical validations. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Implements IRD nvad_combined_fs validations. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Implements IRD nvad_integrity validations. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Implements IRD nvad_lifecycle validations. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Adds an option to skip loading package contents. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Adds UKSEF Companies House Mandatory Facts. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)

### Behavior and default changes

- GFM footnote messages now report the inline XBRL 1.1 footnote id. (2.47.2) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.2)
- Conformance suites within nested archives are now supported. (2.47.1) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.1)
- Relaxes the role URI constraint on NL-KVK.4.4.2.5. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)

### Tooling

- Type hints were added for arelle.DialogLanguage. (2.47.2) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.2)
- Type hints were added for arelle.formula.FormulaConsisAsser. (2.47.2) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.2)
- Type hints were added for arelle.DialogAbout. (2.47.1) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.1)
- Type hints were added for arelle.DialogFind. (2.47.1) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.1)
- Type hints were added for arelle.DialogURL. (2.47.1) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.1)
- Type hints were added for arelle.oim.Load. (2.47.1) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.1)

### Fixes and other changes

- Implements IRD nvad_special_flags validations. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)
- Fixes handling of undefined context and unit IDs. (2.47.0) — [release notes](https://github.com/Arelle/Arelle/releases/tag/2.47.0)