Release Notes
03/29/2026
March 29 2026 PostalOne! Release Notes
Release Notes
03/27/2026
PTR2 Release Notes_DD_03_27_26
Release Notes
03/27/2026
PTR2 Release Notes_DD_03_29_26
Release Notes
03/25/2026
March 25 2026 Release Notes
Release Notes
03/25/2026
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
03/20/2026
May 3 2026 Release Notes
Release Notes
03/20/2026
March 29 2026 FAST Release Notes
Release Notes
03/19/2026
PTR2 Release Notes_DD_03_21_26
Release Notes
03/19/2026
July 2026 Release Overview

Note: For the latest technical specifications, please see the July 2026 Price Change Release Notes as they are published. Mail.dat and Mail.XML updates required for this release. 

Release Notes
03/16/2026
PTR2 Release Notes_DD_03_12_26