v3.15.0a2
Docs: Synchronise ``indexsidebar.html`` with docsbuild-scripts (#132567)
Link to plaintext for "show source" links (#137131)
gh-140500: Update download.html instructions (#141320)
GH-121970: Extract ``implementation_detail`` into a new extension (#129663)
Consistent sentence case in docs template files (#134412)
Doc: Track file downloads via plausible (#138393)
Use https:// URLs in the HTML templates.
gh-130521: Add Open Graph meta tags to template pages (#130523)