Recently, there have been security concerns over the Solr version we used (5.x), which is why we updated the component to its latest stable release. We also took the time to reimplement the search functionality as a whole, leading to better search results in general. A complete list of all the Solr version changes can be found on the Apache Solr website.
The update has been rolled out to our GitHub master branch and will be included in our next stable release (Release 1.14.4). There is no manual migration required. For more information, follow our forum announcement. Feel free to join us at our