2026-08-24 – version 5.6.4
* Tweak – WordPress 7.1 Compatibility.
2026-08-19 – version 5.6.3
* Fix – A Media Mail restriction pointing at a deleted shipping class silently blocked Media Mail while the settings screen showed no restriction. The deleted class now appears in the setting so it can be seen and removed.
* Tweak – Add readme.txt to fix a QIT validation warning.
2026-08-10 – version 5.6.2
* Fix – Boxes large enough for USPS dimensional pricing were quoted the cheaper nonrectangular parcel price, undercharging shipping. Rectangular pricing is now used.