I know it's an old question, but for those who still have the question, you can do that with nspages (
https://www.dokuwiki.org/plugin:nspages).
Last 10 modified pages in current namespace (and sub-namespaces) :
<nspages -r -exclude:start -sortByCreationDate -reverse -nbItemsMax=10 -sortByCreationDate -simpleList -h1 -textPages="">