# Wagtail 1.13.1 release notes

*November 17, 2017*

> * [What’s new](#what-s-new)

## What’s new

### Bug fixes

* API listing views no longer fail when no site records are defined (Karl Hobley)
* Fixed crash in XML sitemap generator when all pages on the site are private (Stein Strindhaug)
* Fixed incorrect z-index on userbar causing it to appear behind page content (Stein Strindhaug)
* Fixed error in Postgres search backend when searching specific fields of a `specific()` Page QuerySet (Bertrand Bordage, Matt Westcott)
* Fixed error on Elasticsearch backend when passing a QuerySet as an `__in` filter (Karl Hobley, Matt Westcott)
* `__isnull` filters no longer fail on Elasticsearch 5 (Karl Hobley)
* Prevented intermittent failures on Postgres search backend when a field is defined as both a `SearchField` and a `FilterField` (Matt Westcott)