# Anthropic Python SDK v1.3.0

- Product: Anthropic Python SDK (https://whatsnew.fyi/product/anthropic-sdk-python)
- Vendor: Anthropic
- Date: 2026-09-01
- Version: v1.3.0
- Original notes: https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.3.0
- Permalink: https://whatsnew.fyi/product/anthropic-sdk-python/releases/v1.3.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Add external_user_onboarded_at field to beta user profiles
- **changed** — Replace relationship field with access_type in beta user profiles
- **added** — Add organization compliance settings
- **added** — Add user-profile order_by parameter
- **changed** — Update memory-store and toolset schema
- **fixed** — Resolve base_url from aws_region under skip_auth and with_options
- **fixed** — Add results to GA raw/streaming response wrappers for batches
- **fixed** — Derive multipart filename for file tuples passed without one
- **removed** — Remove unused wire aliases from header and path params
- **removed** — Drop the unused distro dependency

##### 1.3.0 (2026-09-01)

Full Changelog: [v1.2.0...v1.3.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.2.0...v1.3.0)

###### Features

* **api:** beta user profiles: add external_user_onboarded_at, remove relationship in favor of access_type ([74080c3](https://github.com/anthropics/anthropic-sdk-python/commit/74080c35d6e4f3e5e7fd47454ecce2350cbfdd2b))
* **api:** manual updates ([1dc3ce0](https://github.com/anthropics/anthropic-sdk-python/commit/1dc3ce0709a9bca146b045dfb0787971e747b1f5))
* **api:** organization compliance settings, user-profile order_by, memory-store and toolset schema updates ([429e719](https://github.com/anthropics/anthropic-sdk-python/commit/429e719f84bd78db51c9fd0442ccb0ca63e614ba))


###### Bug Fixes

* **aws:** resolve base_url from aws_region under skip_auth and with_options ([#564](https://github.com/anthropics/anthropic-sdk-python/issues/564)) ([b6d1732](https://github.com/anthropics/anthropic-sdk-python/commit/b6d1732cc89eb743b4d40e33c6cd3f7ecfb3d0ab))
* **batches:** add results to GA raw/streaming response wrappers ([cbf9715](https://github.com/anthropics/anthropic-sdk-python/commit/cbf9715a461b4c5deec7a669b2b6e211faaf8827))
* **ci:** don't hard-wrap detect-breaking-changes output ([b5be779](https://github.com/anthropics/anthropic-sdk-python/commit/b5be779c110e68f6c884091b3524083733f3f8a9))
* **client:** derive multipart filename for file tuples passed without one ([a9f3fb4](https://github.com/anthropics/anthropic-sdk-python/commit/a9f3fb40abdd2f5842054a96e08afeee35fb932a))
* **types:** remove unused wire aliases from header and path params ([dc0a9ab](https://github.com/anthropics/anthropic-sdk-python/commit/dc0a9ab4360c7fc28f7326c39876f18ad04d2c26))


###### Chores

* **internal:** drop the unused discriminator argument from PropertyInfo ([3dae6fd](https://github.com/anthropics/anthropic-sdk-python/commit/3dae6fd196cb2fe658029e8eec60551dfa847949))
* **internal:** drop the unused distro dependency ([a47d85f](https://github.com/anthropics/anthropic-sdk-python/commit/a47d85f6a740e3a38610c5239ac8c2c7b12ead55))


###### Documentation

* **changelog:** detail the beta files/skills GA-shape change ([#1900](https://github.com/anthropics/anthropic-sdk-python/issues/1900)) ([7c84e13](https://github.com/anthropics/anthropic-sdk-python/commit/7c84e133570991589c90d888790d536ca943568d))


###### Refactors

* **types:** mark discriminated unions with UnionDiscriminator instead of PropertyInfo ([17df0bf](https://github.com/anthropics/anthropic-sdk-python/commit/17df0bf37c875598b49b2909c58aa48e17a1b25a))
* **types:** use UnionDiscriminator for more discriminated unions ([b44af2c](https://github.com/anthropics/anthropic-sdk-python/commit/b44af2c625703ba1c0ed2e81871ac14dc572665e))