Just released 0.3.30-SNAPSHOT 1 which includes issue https://github.com/polyfy/polylith/issues/562 - adding detection of inconsistent library versions, documented https://cljdoc.org/d/polylith/clj-poly/0.3.30-SNAPSHOT/doc/libraries#_validate. See https://github.com/polyfy/polylith/blob/master/next-release.md for a complete overview of what will be included in the upcoming 0.3.30 release. Please try it out so that we can release a stable version!