Pin sphinx<9 as a temporary workaround

stevepiercy · stevepiercy · commit 262d9551efa6 · 2026-01-21T13:47:52.000-08:00
Fixes #2036. See also #2037.
diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,6 @@
 linkify-it-py
 plone-sphinx-theme<2
+sphinx<9  # See https://github.com/plone/documentation/issues/2037
 sphinx-autobuild
 sphinx-copybutton
 sphinx-design  # Documentation only
