May 2026 Releases

Release information for May 2026 deployment.

Note: Release notes are only required for external customer-facing application changes.

Publish release notes   

May, 2026

May 2026 Release

May 10, 2026 Release 

• PostalOne! R63.2.2.0 Release Notes - Not Required due to Internal release.

May 17, 2026 Release 

• May 17 2026 PostalOne! R63.2.2.0; Crosswalk R10.0.1.0 & USPS Ship R27.0.0.0 Release Notes click

May 27, 2026 Release 

Last-Minute Update: USPS Ship was only able to deploy internal fraud services content in R27.0.1.0. All Intelligent Mail Package Barcode (IMpb) compliance updates were excluded from this deployment and have been deferred to the R27.0.2.0 release.

• USPS Ship R27.0.1.0 Release Notes click

May 31, 2026 Release 

• EPS/eBill R8.4.0.0 Release Notes click