Release 10.0.0 This is the maintenance release only. As were planning to simplify the extension and dependency handling were harmonize the extension version with TYPO3. So the next version of solrmlt is 10.0.0 and compatible with TYPO3 10 LTS and EXT:solr 11.1.0. Please read the release notes: https://github.com/TYPO3-Solr/ext-solrfluidgrouping/releases/tag/10.0.0