I was trying to do a search for new questions using the advanced search tags such as
intags:mine. This normally works well, but today it is not showing any questions newer than 2nd June. For example, try this link which should show all questions in my tags, ordered by newest first:
Has some back-end script stopped running perhaps?
Search appears to be out-of-date for all search type (not just advanced search) and across all SE sites.
Edit: after working fine for a while, the bug is back in July 30th 2014: