| Version | Release Date | Build | Build Date | Release Notes |
|---|
| 6.4.0 | | release-v6.4.0-1 | 2019-12-23 04:35:17 | USPS-R 6.4.0 Release Notes |
| 6.3.0 | | release-v6.3.0-6 | 2019-12-19 10:47:07 | USPS-R 6.3.0 Release Notes |
| 6.2.0 | | release-v6.2.0-3 | 2019-12-07 01:21:56 | USPS-R 6.2.0 Release Notes |
| 6.1.1 | | hotfix-v6.1.1-3 | 2019-12-02 11:30:30 | USPS-R 6.1.1 Release Notes |
| 6.1.0 | | release-v6.1.0-5 | 2019-11-22 05:00:58 | USPS-R 6.1.0 Release Notes |
| 6.0.2 | | hotfix-v6.0.2-7 | 2019-11-19 11:20:26 | USPS-R 6.0.2 Release Notes |
| 6.0.1 | | hotfix-v6.0.1-3 | 2019-11-11 03:19:03 | USPS-R 6.0.1 Release Notes |
| 6.0.0 | | release-v6.0.0-3 | 2019-11-06 04:46:27 | USPS-R 6.0.0 Release Notes |