In collaboration with the Yaari Lab at Bar Ilan University in Israel and the iReceptor Plus project we are pleased to announce the Fourth repository in the AIRR Data Commons. The VDJBase AIRR-seq repository is a community resource hosted and supported by the Yaari Lab group and the iReceptor team. We look forward to having data added to this repository as well as the addition of new repositories in the AIRR Data Commons in the near future. For more information about this repository, please see the iReceptor Data Provenance page.