# QNN HTA API Revision History

| QNN HTA API Version | Introduced in QNN SDK Version | Description |
| --- | --- | --- |
| 2.0.0 | 2.2.1 | <ul class="simple"><br><li><p>Introduced 2.0 API</p></li><br></ul> |
| 1.2.0 | 1.11.0 | <ul class="simple"><br><li><p>Added support for QnnBackend_validateOpConfig API</p></li><br></ul> |
| 1.0.0 | 1.3.0 | <ul class="simple"><br><li><p>Initial release</p></li><br></ul> |

Last Published: Jun 04, 2026

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