> ## Documentation Index
> Fetch the complete documentation index at: https://docs.neuronsearchlab.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SDK Changelog

> Release history for the NeuronSearchLab TypeScript and PHP SDKs.

<Update label="July 7, 2026" rss="July 7, 2026: TypeScript SDK, PHP SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  ### PHP SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
</Update>

<Update label="June 7, 2026" rss="June 7, 2026: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="June 2, 2026" rss="June 2, 2026: TypeScript SDK, PHP SDK.">
  ### TypeScript SDK

  #### Features

  * No major feature changes in this period.

  #### Bug fixes

  * Remove legacy session ID prefix

  ### PHP SDK

  #### Features

  * No major feature changes in this period.

  #### Bug fixes

  * Allow unprefixed item identifiers
</Update>

<Update label="June 1, 2026" rss="June 1, 2026: TypeScript SDK, PHP SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  ### PHP SDK

  #### Features

  * No major feature changes in this period.
</Update>

<Update label="April 30, 2026" rss="April 30, 2026: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="April 29, 2026" rss="April 29, 2026: TypeScript SDK, PHP SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.

  ### PHP SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="April 5, 2026" rss="April 5, 2026: TypeScript SDK, PHP SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  ### PHP SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
</Update>

<Update label="January 7, 2026" rss="January 7, 2026: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
</Update>

<Update label="December 29, 2025" rss="December 29, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * No major feature changes in this period.
</Update>

<Update label="December 22, 2025" rss="December 22, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * No major feature changes in this period.
</Update>

<Update label="December 21, 2025" rss="December 21, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="December 15, 2025" rss="December 15, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * No major feature changes in this period.
</Update>

<Update label="November 22, 2025" rss="November 22, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
</Update>

<Update label="November 20, 2025" rss="November 20, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="November 17, 2025" rss="November 17, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  #### Bug fixes

  * Fix release workflow order
</Update>

<Update label="November 16, 2025" rss="November 16, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="October 23, 2025" rss="October 23, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.
</Update>

<Update label="April 22, 2025" rss="April 22, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Expanded SDK calls around recommendation contexts, event payloads, item identifiers, item deletion, request/session metadata, and the v1 API contract.
</Update>

<Update label="April 14, 2025" rss="April 14, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  #### Bug fixes

  * Fix typo in release workflow step name
  * Fix package name formatting in package.json
  * Fix formatting in package.json for publishConfig access option
</Update>

<Update label="April 12, 2025" rss="April 12, 2025: TypeScript SDK.">
  ### TypeScript SDK

  #### Features

  * Improved package metadata, release workflows, version bumps, dual module exports, generated builds, dependency hygiene, and logging.

  #### Bug fixes

  * Fix package name formatting in package.json
</Update>