# 6.1.9 2021-01-29 Maintenance release 6.1.9 * Bug #18836: Update windows plugin documentation * Bug #18839: Backport new inventory priorisation, software deletion API and log correction in 6.1 * Bug #18841: rudder package upgrade-all does not upgrade each plugin independently * Bug #18862: Inventories are rejected due to missing dependency on Centos 8 * Bug #18867: id parameter is ignored in rule category creation API and rule tags are lost on update