When filtering the members of a group by username or email using the field above the users list, the following happens:
enter text which matches no users:
The filter field disappears, and the message improperly suggests the group is empty, rather than there being no users matching the filter.
The filter can’t be corrected either, because the field is gone. The user is forced to browse back to the group view without a filter, or to edit the filter which appears in the URL.
** v2.0.0.beta10 +20**