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.
2026-05-11 – version 5.5.5
* Add – Debug logging at silent exit points in rate calculation.
* Fix – Don’t cache transient USPS API errors (429, 5xx) in rate response transients.
* Tweak – Promote genuine API failures from debug to error log level for visibility.