This is the release note of v13.0.0. See here for the complete list of solved issues and merged PRs.

This release note only covers changes made since the v13.0.0rc1 release. Check out our blog for highlights of the v13 release!

See the Upgrade Guide for the list of possible breaking changes in v13.

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📝 Changes

For all changes in v13, please refer to the release notes of the pre-releases (alpha1, beta1, rc1).

New Features

• Add cupyx.signal.pulse_compression from cuSignal's non SciPy-compat API (#8039)
• Add cupyx.signal.convolve1d3o from cuSignal's non SciPy-compat API (#8067)
• add cupyx.signal.{pulse_doppler, cfar_alpha} (#8069)
• Add cupyx.signal.convolve1d2o (#8113)

Enhancements

• Make cupyx.signal.radartools private (#8053)
• Fix csrmatrix.__pow__ to raise ValueError for non-int other (#8085)

Performance Improvements

• Speed up cupy environment duplicate detection (#8042)

Bug Fixes

• Fix lfilter_zi and sosfilt_zi when any IIR coefficient is zero (#8036)
• Fix argmax/argmin for large reduction axis (#8041)
• Fix cupyx.scipy.fft.{dst,dstn} in type 2/3 (#8082)
• Do not use from-import (#8114)

Code Fixes

• Refactor convolve1d3o (#8100)
• Refactor radartools (#8106)

Documentation

• Generate signature for ufunc documentation (#8044)
• Use modern dlpack interface in torch interoperability document (#8048)

Installation

• Skip CUDA_PATH warning in Conda installation (#8076)
• Bump version to v13.0.0 (#8119)

Tests

• Bump stable branch to v13 (#8026)
• Remove some signal.vectorstrength xfail tests (#8083)
• Fix scipy.linalg not to raise DeprecationWarning for zero-size inputs (#8086)
• scipy.special.{btdtr,btdtri} are deprecated since SciPy (#8094)
• Refactor radartools tests (#8099)
• Fix slow test (#8117)

👥 Contributors

@andfoy @asi1024 @emcastillo @hauntsaninja @kmaehashi @takagi

The CuPy Team would like to thank all those who contributed to this release!