Patch Changes
- #16837
783c4a6Thanks @jdevalk! - Improves<lastmod>accuracy in the sitemap index. Each<sitemap>entry insitemap-index.xmlis now stamped with the most recentlastmodof the URLs in the child sitemap it points to, instead of repeating a single global date on every entry. When a child sitemap has no per-URLlastmod, the entry falls back to thelastmodoption as before. This gives search engines a per-file freshness signal, so they can tell which child sitemaps actually changed without refetching all of them.