| Version | Change log |
| Quick Lettertracker 2.2.1 Aug 2, 2024 | Now prints address with barcodes directly to common address label sheets. |
| Quick Lettertracker 2.1.1 Feb 5, 2024 | Added search box to list of tracking numbers created with the software. Updated with latest USPS tracking codes. |
| Quick Lettertracker 1.3.3 Aug 24, 2023 | Updated to support Mac Sonoma. Tracking history now includes date when mail was accepted by USPS. |
| Quick Lettertracker 1.3.2 Dec 21, 2022 | Updated to Universal Binary for Apple Silicon and Intel based Macs. Improved viewing on Retina and other hi-res displays. Minor operational improvements and bug fixes. |
| Quick Lettertracker 1.2.1 Apr 15, 2022 | Updated for latest USPS processing step changes and fixed several minor bugs. |
| Quick Lettertracker 1.1.4 Nov 2, 2021 | for latest USPS tracking stage changes, and fixed a bug where tracking number sometimes wasn't saved. |
| Quick Lettertracker 1.1.2 Oct 1, 2021 | Now supports tracking of trays and sacks. |
