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# SciPy 1.6.3 Release Notes

SciPy 1.6.3 is a bug-fix release with no new features compared to 1.6.2.

## Authors

- Peter Bell

- Ralf Gommers

- Matt Haberland

- Peter Mahler Larsen

- Tirth Patel

- Tyler Reddy

- Pamphile ROY +

- Xingyu Liu +

A total of 8 people contributed to this release. People with a “+” by their names contributed a patch for the first time. This list of names is automatically generated, and may not be fully complete.

### Issues closed for 1.6.3

- #13772: Divide by zero in distance.yule

- #13796: CI: prerelease_deps failures

- #13890: TST: spatial rotation failure in (1.6.3) wheels repo (ARM64)

### Pull requests for 1.6.3

- #13755: CI: fix the matplotlib warning emitted during builing docs

- #13773: BUG: Divide by zero in yule dissimilarity of constant vectors

- #13799: CI/MAINT: deprecated np.typeDict

- #13819: substitute np.math.factorial with math.factorial

- #13895: TST: add random seeds in Rotation module