1.5.1
DOC do not recommend a particular Python version (#29071)
DOC fix wrong indentations in the documentation that lead to undesired blockquotes (#28107)
DOC Add guidelines for automated contributions (#29287)
DOC document cython typedefs (#28865)
API deprecate multi_class in LogisticRegression (#28703)
DOC use pydata-sphinx-theme for the website (#29038)
DOC: fix a typo in the link to the User Guide (#27784)
DOC Update developer documentation to describe meson builds (#28751)
DOC fixes intersphinx warnings (#26779)