Release Notes
11/14/2026
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
11/10/2026
PTR2 Release Notes_DD_11_14_26
Release Notes
11/10/2026
PFSC Application 3.0 Release Notes 11-10-2026

PFSC Release Notes for the enhancement release on 11/10/2026.

Release Notes
11/10/2026
November 12 2026 COP 2.5.9 Release Notes
Release Notes
11/06/2026
November 15 2026 USPS Ship 31.0.0.0 Release Notes
Release Notes
11/06/2026
November 15 2026 PostalOne! 64.1.3.0 Release Notes
Release Notes
11/03/2026
PTR2 Release Notes_DD_11_05_26
Release Notes
11/03/2026
USPS APIs Release Notes

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

Release Notes
10/27/2026
PTR1 Maintenance Notes_DD_10_31_26
Release Notes
10/24/2026
Informed Delivery API Release Notes V1.0.3