Issue #2546086 by jmdeleon, tlyngej: Missing query can cause Solr to ignore the request
Issue #2496751 by dcam: Delete SarniaViewsHandlerFilter::operator_options()
The update submitted in issue #2546086 also allows for the demo cores in Solr 4.x and 5.x to be searched in Drupal through Sarnia.
The update submitted in issue #2496751 removes a patch for an upstream Search API issue (#1318904) that has been resolved.
A few more bug fixes, plus enhanced documentation.
Issue 1950256: Facet UI Error: The widget does not support the sarnia_term query type
Issue 2514798: Turn on the minimum facet count setting
Issue 1779762: Issue with sarnia_entity_type not yet available in hook_entity_info
Issue 2496765: Update README.txt
This beta4 release integrates changes supporting current versions of Search API and Search API Solr, Facet API, rudimentary Features export, support for recent versions of jQuery, among many other fixes.