2026-06-15 – version 5.5.7
* Fix – Declared value set on a parent variable product now applies to all variations that don’t have their own value set.
* Fix – REST API order metadata (rate description and mail class) saved from the wrong USPS service — now scoped to the selected rate.
* Fix – REST API multi-package rates now record each package’s rate description and mail class under an index-suffixed key instead of the last package overwriting the rest.
2026-05-20 – version 5.5.6
* Fix – FCPIS eligibility over-permitted provably-undersized packages with partial dimensions.
* Tweak – WooCommerce 10.8 Compatibility.
* Tweak – WordPress 7.0 Compatibility.