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This section contains miscellaneous settings that cannot be put into another section. Trigger save_post hook

Check this if save_post hook of WordPress must be triggered after a post is completely saved. Normally, after a post is saved, more information, such as post meta, taxonomies, and attachments, is added to the post, but the hook is not triggered. However, other plugins or the theme might be listening to the post updates to do certain things. If you check this, they will be notified after the post and all the related information are completely saved.