http://beta.musicbrainz.org/search/edits?auto_edit_filter=&order=desc&negation=0&combinator=and&conditions.0.field=release_quality&conditions.0.operator=%3D&conditions.0.args=0&conditions.1.field=status&conditions.1.operator=%3D&conditions.1.args=1&field=Please+choose+a+condition

If you select "low" and search, the results page that loads does not have "low" selected. All the others seem to work fine.