GTDB release 9 based on RefSeq 220 (R09-RS220) is live at gtdb.ecogenomic.org. This release covers 596,859 genomes (48% increase) and has 113,104 species clusters (33% increase). Release notes at: forum.gtdb.ecogenomic.org/t/announcing.... Release statistics at: gtdb.ecogenomic.org/stats/r220.