# Keras v3.13.1

- Product: Keras (https://whatsnew.fyi/product/keras)
- Vendor: Keras
- Date: 2026-01-14
- Version: v3.13.1
- Original notes: https://github.com/keras-team/keras/releases/tag/v3.13.1
- Permalink: https://whatsnew.fyi/product/keras/releases/v3.13.1

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- **fixed** — Remove a persistent warning triggered during import keras when using NumPy 2.0 or higher
- **fixed** — Fix an issue where CUDNN flash attention was broken when using JAX versions greater than 0.6.2
- **fixed** — Resolve a regression in the export pipeline that incorrectly forced batch sizes to be dynamic, now correctly respecting static batch sizes when defined

###### Bug Fixes & Improvements

* **General**
    * Removed a persistent warning triggered during `import keras` when using NumPy 2.0 or higher. (#21949)
* **Backends**
    * **JAX:** Fixed an issue where CUDNN flash attention was broken when using JAX versions greater than 0.6.2. (#21970)
* **Export & Serialization**
    * Resolved a regression in the export pipeline that incorrectly forced batch sizes to be dynamic. The export process now correctly respects static batch sizes when defined. (#21944)

**Full Changelog**: https://github.com/keras-team/keras/compare/v3.13.0...v3.13.1