Select by recently changed (example)

List Extension pages which were edited recently
The following example:

Would produce the last ten edited articles in the Extension namespace:

List Extension pages with the oldest last edit dates
The following example:

Would produce the first ten edited articles in the Extension namespace:

List the last seven revisions of Extension pages which have an edit date later or equal to July 19, 2015
The following example:

Would produce the last seven revision of articles in the Extension namespace: