Docs: Experiment with canonical url using READTHEDOCS_CANONICAL_URL

Author: benjaoming

docs/conf.py

@@ -65,6 +65,13 @@
 
 templates_path = ["_templates"]
 
+# This may be elevated as a general issue for documentation and behavioral
+# change to the Sphinx build:
+# This will ensure that we use the correctly set environment for canonical URLs
+# Old Read the Docs injections makes it point only to the default version,
+# for instance /en/stable/
+html_baseurl = os.environment.get("READTHEDOCS_CANONICAL_URL")
+
 master_doc = "index"
 copyright = "Read the Docs, Inc & contributors"
 version = "9.10.0"