Release Notes
10/22/2025
October 30 2025 Release Notes
Release Notes
10/15/2025
USPS APIs Release Notes

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

Release Notes
10/14/2025
October 19 2025 Release Notes
Release Notes
10/14/2025
October 26 2025 Release Notes
Release Notes
10/06/2025
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
10/02/2025
October 2 2025 Release Notes
Release Notes
09/29/2025
Promotions Alert 9/29/2025
Release Notes
09/29/2025
January 2026 Release Overview
Release Notes
09/21/2025
September 21 2025 Release Notes (FAST)
Release Notes
09/21/2025
September 21 2025 Release Notes (TLPC)