v1.4.0rc2 (#8553)

* v1.4.0rc2

* Apply suggestions from code review

Co-authored-by: Adrian Wälchli <[email protected]>

* Apply suggestions from code review

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: Adrian Wälchli <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 3 people