Release Notes
06/27/2026
PTR2 Release Notes_DD_06_27_26
Release Notes
06/26/2026
USPS APIs Release Notes

For the latest updates, please review the USPS APIs Release Notes.

Release Notes
06/25/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Release Notes
06/23/2026
July 2026 Release Notes
Release Notes
06/18/2026
PTR2 Release Notes_DD_06_22_26
Release Notes
06/16/2026
PTR2 Release Notes_DD_06_16_26
Release Notes
06/12/2026
PTR2 Release Notes_DD_06_13_26
Release Notes
06/05/2026
June 11 2026 USPS Ship R27.0.3.0 Release Notes
Release Notes
06/04/2026
June 4 2026 USPS Ship R27.0.2.0 Release Notes
Release Notes
05/28/2026
PTR2 Release Notes_DD_05_30_26