Versions Current versions Table 1. Current versions schedule Version Release date LDOS v3.1 19/11/2020 - v3.0 23/06/2020 19/11/2022 v2.1 28/04/2020 23/06/2022 v2.0 24/06/2019 28/04/2022 v1.3 21/04/2018 24/06/2021 v1.2 21/03/2018 21/04/2021 v1.1 31/01/2018 21/03/2021 v1.0 29/06/2017 31/01/2020 Definitions