This is the release note of v8.6.0. See here for the complete list of solved issues and merged PRs.

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Notes

Final release for v8.x series

We expect this version to be the final release for v8.x series. Please start testing your workloads with the latest v9.x pre-release.

CUDA 11.0 and 11.1 wheels for Windows not available yet in PyPI (#4971)

In the meantime they can be downloaded from the Assets section below. See #4971 for the detailed instructions.

Changes

Enhancements

• Bump cuDNN to v8.1.1 in library installer tool (#4795)
• Update DLPack support (#4849)
• Bump headers to CUDA 11.2.2 (#4917)

Bug Fixes

• [v8] Fix linalg.pinv on empty matrices (#4783)
• Windows: Fix histogram test failures (#4784)
• Windows: fix sparse matrix indexing type (#4796)
• Support int argument for Dirichlet shape (#4798)
• Windows: Fix compiler error for CUB block reduction kernels (#4814)
• ROCm: Fix sorting bug (#4826)
• Unify linux/windows randint with NumPy (#4827)
• Fix dtypes in cupy.linalg (#4839)
• Fixed choice function for 0 samples from 0 candidates (#4851)
• Improve/fix csc/csr argmax/argmin (#4858)
• Fix cooperative kernel launch (#4887)

Code Fixes

• Use newest versions of stylecheck packages (#4800)
• Fix: code quality issues (#4832)

Documentation

• Remove cupy-cuda112 support from documentation (#4762)
• Revert " Remove cupy-cuda112 support from documentation" (#4786)
• Reformat environment variables table (#4856)

Installation

• Bump version to v8.6.0 (#4954)

Tests

• Windows: Fix test condition for CUB device kernels (#4793)
• Windows: Fix cuTENSOR tests (#4818)
• Remove AppVeyor configurations (#4846)
• Windows: fix OOM errors in the CI (#4862)
• Fix raw kernel test (#4871)
• Windows: Fix test_poly1d_pow_scalar (#4889)
• Windows: Skip failing cuDNN tests (#4901)
• Add names for workflows (#4914)
• Show config on Windows CI (#4918)
• Prioritize FlexCI daemon in Windows CI (#4921)
• Fix to work with scheduled FlexCI job (#4931)

Others

• Add CODEOWNERS file (#4788)
• Fix pytest opts for Windows CI (#4822)
• Rename submodules under cupy.testing package (#4876)

Contributors

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

@anaruse @aryamccarthy @leofang @povinsahu1909 @withshubh