Sphinx<5,>=3  # sphinx-book-theme 0.3.3 has requirement sphinx<5,>=3
graphviz
myst-parser
pydata-sphinx-theme<=0.8.99  # Build fails in 0.9.0. See https://github.com/plone/documentation/issues/1297
sphinx-autobuild
sphinx-book-theme<=0.3.99
sphinx-copybutton
sphinx-design  # Documentation only
sphinx-notfound-page  # Documentation only
sphinx-sitemap
sphinx-togglebutton
sphinxext-opengraph
