> For the complete documentation index, see [llms.txt](https://docs.orangebit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.orangebit.com/changelog/v1.9.md).

# v1.9

#### Prod

* [x] **v1.9.2 — Sep 5th**

  📦 SDK & Tools

  * Released TypeScript SDK v2.0 with built-in subscription manager and reconnection logic.
  * Python SDK: added stream\_orderbook() generator and better exception types.

***

* [x] **v1.9.1 — Aug 25th**

  📚 Docs

  * Published full OpenAPI 3.1 spec and Postman collection.
  * Added example “Integration Guide” for market-making bots (rate-limit best practices).

***

* [x] **v1.9.0 — Aug 10th**

  🔬 Transparency

  * Published on-chain Merkle root of reserves daily; endpoint /api/v1/proof-of-reserves.
  * Added /api/v1/audit/reports to host third-party audit summaries.