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# NumPy 1.15.4 Release Notes

This is a bugfix release for bugs and regressions reported following the 1.15.3 release. The Python versions supported by this release are 2.7, 3.4-3.7. The wheels are linked with OpenBLAS v0.3.0, which should fix some of the linalg problems reported for NumPy 1.14.

## Compatibility Note

The NumPy 1.15.x OS X wheels released on PyPI no longer contain 32-bit binaries. That will also be the case in future releases. See #11625 for the related discussion. Those needing 32-bit support should look elsewhere or build from source.

## Contributors

A total of 4 people contributed to this release. People with a “+” by their names contributed a patch for the first time.

- Charles Harris

- Matti Picus

- Sebastian Berg

- bbbbbbbbba +

## Pull requests merged

A total of 4 pull requests were merged for this release.

- #12296: BUG: Dealloc cached buffer info

- #12297: BUG: Fix fill value in masked array ‘==’ and ‘!=’ ops.

- #12307: DOC: Correct the default value of optimize in `numpy.einsum`

- #12320: REL: Prepare for the NumPy 1.15.4 release