WooCommerce USPS Shipping Method v5.5.8

WooCommerce USPS Shipping Method v5.5.8
Version 5.5.8Released on 2026-06-22

• First Class Mail rates incorrectly returned for carts that aren't fully covered by the First Class quote (any packing method).
• Box packing no longer adds the discarded First Class fallback surcharge to the other shipping rates when the First Class quote can't cover the full cart.
• WooCommerce 10.9 Compatibility.

WooCommerce USPS Shipping Method v5.5.7
Version 5.5.7Released on 2026-06-15

• Declared value set on a parent variable product now applies to all variations that don't have their own value set.
• REST API order metadata (rate description and mail class) saved from the wrong USPS service — now scoped to the selected rate.
• 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.

WooCommerce USPS Shipping Method v5.5.6

• WooCommerce 10.8 Compatibility.
• WordPress 7.0 Compatibility.

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For activation, use this activator. Exclusively for Babiato.tech members.
https://babiato.tech/free-resources/woo-plugins-activator-activate-all-woo-products.42357/

WooCommerce USPS Shipping Method v5.5.5
Version 5.5.5Released on 2026-05-11

• Debug logging at silent exit points in rate calculation.
• Don't cache transient USPS API errors (429, 5xx) in rate response transients.
• Promote genuine API failures from debug to error log level for visibility.
• Update Jetpack Autoloader to v5.

WooCommerce USPS Shipping Method v5.5.4
Version 5.5.4Released on 2026-04-13

• Correct large envelope (flat) classification to match USPS standards — items that exceed any (previously all) of letter dimension now qualify as flats.
• Legacy API credential validation no longer runs when switching to REST API, preventing headers-already-sent warnings.
• Validate empty Origin Postcode: show admin notice on save and skip API requests.
• FCPIS rates incorrectly filtered for valid custom boxes.
• Hide product-level "Envelope" checkbox when REST API is active, as it only affects Legacy (SOAP) API rates.
• WooCommerce 10.7 Compatibility.

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For activation, use this activator. Exclusively for Babiato.tech members.
https://babiato.tech/free-resources/woo-plugins-activator-activate-all-woo-products.42357/

WooCommerce USPS Shipping Method v5.5.3
Version 5.5.3Released on 2026-03-30

• Weight based shipping calculations with fractional quantities.
• Set minimum girth to 1" to prevent 400 errors with small dimensions.

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For activation, use this activator. Exclusively for Babiato.tech members.
https://babiato.tech/free-resources/woo-plugins-activator-activate-all-woo-products.42357/

WooCommerce USPS Shipping Method v5.5.2
2026-03-23 - v5.5.2
* Fix - Filter out First-Class Package International Service rates for packages exceeding USPS dimensional limits.
* Fix - Restrict international First-Class Mail letter and envelope rates to items with zero declared value.
* Tweak - Split international First-Class into separate Mail and Package services for accurate rate naming.
* Tweak - Show packing method label in rate metadata for all packing methods.
* Tweak - Add rate description and mail class to rate metadata.

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For activation, use this activator. Exclusively for Babiato.tech members.
https://babiato.tech/free-resources/woo-plugins-activator-activate-all-woo-products.42357/

WooCommerce USPS Shipping Method v5.5.1
Version 5.5.1Released on 2026-03-09

• WooCommerce 10.6 Compatibility.

WooCommerce USPS Shipping Method v5.4.4
Version 5.4.4Released on 2026-02-23

• Custom Flat Rate Boxes/Envelopes with adjustable dimensions to account for bulging allowed by USPS.
• Inaccurate International First-Class Mail letter rates.

WooCommerce USPS Shipping Method v5.4.3
Version 5.4.3Released on 2026-02-06

• Add missing Weight based shipping support to First-Class.
• Filter out Cubic pricing rates and improve flat rate filtering.
• Make fractional item quantity rates calculations more accurate.
• WooCommerce 10.5 compatibility.