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# NumPy 1.15.2 Release Notes

This is a bugfix release for bugs and regressions reported following the 1.15.1 release.

- The matrix PendingDeprecationWarning is now suppressed in pytest 3.8.

- The new cached allocations machinery has been fixed to be thread safe.

- The boolean indexing of subclasses now works correctly.

- A small memory leak in PyArray_AdaptFlexibleDType has been fixed.

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

- Julian Taylor

- Marten van Kerkwijk

- Matti Picus

## Pull requests merged

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

- #11902: BUG: Fix matrix PendingDeprecationWarning suppression for pytest…

- #11981: BUG: fix cached allocations without the GIL for 1.15.x

- #11982: BUG: fix refcount leak in PyArray_AdaptFlexibleDType

- #11992: BUG: Ensure boolean indexing of subclasses sets base correctly.