What's Changed
* Merge v3.8.x branch up to main by QuLogic in https://github.com/matplotlib/mpl-sphinx-theme/pull/79
* Always use search icon instead of search box by dstansby in https://github.com/matplotlib/mpl-sphinx-theme/pull/83
* Remove old search.html template by dstansby in https://github.com/matplotlib/mpl-sphinx-theme/pull/82
* Explain how to override default header links by dstansby in https://github.com/matplotlib/mpl-sphinx-theme/pull/86
* MNT: Update version to 3.9.0rc1 by QuLogic in https://github.com/matplotlib/mpl-sphinx-theme/pull/87
New Contributors
* dstansby made their first contribution in https://github.com/matplotlib/mpl-sphinx-theme/pull/83
**Full Changelog**: https://github.com/matplotlib/mpl-sphinx-theme/compare/v3.8.0...v3.9.0