This is the release note of v4.5.0. See here for the complete list of solved issues and merged PRs.

Highlights

This stable update adds scipy 1.0+ support.

Enhancements

• Support SciPy 1.0+ (#1588)
• Improve exception handling performance in Cython (#1598)
• Fallback to synchronous transfer if pinned memory could not be allocated (#1603)
• Improve cudnn.pyx to up speed (#1652)

Bug Fixes

• Fix cupy not working in thread other than one imported cupy (#1585)
• Reset cuda runtime error (#1597)
• Improve exception handling performance in Cython (#1598)

Tests

• Add test for thread use case of fusion (#1595)
• Fix invalid escape sequence warnings in Python 3.6 (#1627)