# Anthropic TypeScript SDK v0.122.0 — sdk: v0.122.0

- Product: Anthropic TypeScript SDK (https://whatsnew.fyi/product/anthropic-sdk-typescript)
- Vendor: Anthropic
- Date: 2026-08-27
- Version: v0.122.0
- Original notes: https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/sdk-v0.122.0
- Permalink: https://whatsnew.fyi/product/anthropic-sdk-typescript/releases/v0.122.0

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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- **changed** — Beta files/skills namespaces now use GA shapes and drop dated beta header pins
- **fixed** — Classify cross-realm DOMException abort/timeout errors correctly
- **fixed** — Use configured logger for SSE parse errors
- **fixed** — Make event accumulator forward-compatible with new event types
- **fixed** — Let read return a view_range of a file over the size cap
- **fixed** — Default bare Blob filename on skills endpoints
- **fixed** — Require headers to be passed to unwrap() in webhooks

##### 0.122.0 (2026-08-27)

Full Changelog: [sdk-v0.121.0...sdk-v0.122.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.121.0...sdk-v0.122.0)

###### Features

* **api:** beta files/skills namespaces use GA shapes; drop dated beta header pins ([45d693a](https://github.com/anthropics/anthropic-sdk-typescript/commit/45d693a66bc7fb1af66d9c4e3625f6d6f64bae59))


###### Bug Fixes

* **client:** classify cross-realm DOMException abort/timeout errors correctly ([1bd6395](https://github.com/anthropics/anthropic-sdk-typescript/commit/1bd639515e9948c1dc45047ce5cb4fcfc5c436b8))
* **client:** use configured logger for SSE parse errors ([80eeaf7](https://github.com/anthropics/anthropic-sdk-typescript/commit/80eeaf7b01b49ed83abd38bb6841b4ad25b06fe6))
* **sessions:** make event accumulator forward-compatible with new event types ([#410](https://github.com/anthropics/anthropic-sdk-typescript/issues/410)) ([2d084fd](https://github.com/anthropics/anthropic-sdk-typescript/commit/2d084fdaeb6b51a1613f321cd65e2184d55d8d1e))
* **tools:** let read return a view_range of a file over the size cap ([#427](https://github.com/anthropics/anthropic-sdk-typescript/issues/427)) ([56b3260](https://github.com/anthropics/anthropic-sdk-typescript/commit/56b32601f6b97a0d56450f2eba19e58d1bb0202e))
* **uploads:** default bare Blob filename on skills endpoints ([#422](https://github.com/anthropics/anthropic-sdk-typescript/issues/422)) ([e111649](https://github.com/anthropics/anthropic-sdk-typescript/commit/e1116491dd4021d0237d1bb440237677a03045f5))
* **webhooks:** require headers to be passed to `unwrap()` ([3230804](https://github.com/anthropics/anthropic-sdk-typescript/commit/3230804e63371f535a850d1df6752284643a01fe))


###### Chores

* **internal:** codegen related update ([c2f327a](https://github.com/anthropics/anthropic-sdk-typescript/commit/c2f327a30d14a4b1ee4cc777a4d0b37f5d44f0af))


###### Documentation

* **api:** clarify pagination on the organization rate-limit list endpoints ([d6015b9](https://github.com/anthropics/anthropic-sdk-typescript/commit/d6015b90b3e895cd173b7d71038ec71bf467a69b))
* document TypeScript 5.0 as the minimum supported version ([788e721](https://github.com/anthropics/anthropic-sdk-typescript/commit/788e7217937471e07af3800ab65172eafbf32e2a))