WordPress 6.5 gains lastmod date for sitemaps files

WordPress version 6.5 now supports including the lastmod element within sitemaps files, which can help search engines understand which pieces of content are new or updated. This can help improve crawl efficiency for search engine crawlers and reduce server load on your website.

Lastmod. Lastmod is an element that you can add to your sitemap file that should represent the last time that URL was modified. Search engines do look at that date when processing your sitemap files for crawling purposes.