v3.10.20
bpo-32924: Fix the Show Source url in the documentation (GH-25994)
[3.10] Remove link to the PDF downloads (GH-139142) (#139431)
Add gettext support to tools/extensions/c_annotations.py (GH-101989)
docs: add the word 'official' (GH-26849)
bpo-41028: Doc: Move switchers to docsbuild-scripts. (GH-20969)
Use https:// URLs in the HTML templates.
bpo-34398: Allow glossary results to show up on search page (GH-8773)