Publishing a single item to Experience Edge might be slow. This occurs due to the publication of additional ancestor dependencies or the scan for all potential changes in the related items of the published item.
The issue affects both Sitecore XM/XP and XM Cloud solutions, as well as SXA and non-SXA managed sites.
To address the issue, consider the following options:
Note: You can still control what dependencies to include to individual rendering components. To read more about content dependencies, use the following link:
https://doc.sitecore.com/xp/en/developers/102/sitecore-experience-manager/configure-content-dependencies-for-an-mvc-rendering.html