2026-02-24 – version 3.6.3
* Fix – Expand International Tracked to 224+ destinations per Royal Mail January 2026 changes.
* Fix – Restrict packaging formats per updated Royal Mail rules (Tracked: Large Letters and Packets only; Tracked & Signed: Letters and Large Letters only).
* Fix – Correct Online Tracked & Signed Large Letter pricing for Brazil and Canada.
* Update – Remove International Signed service (consolidated into Tracked & Signed by Royal Mail).
2026-02-03 – version 3.6.2
* Fix – International Tracked & Signed now supports MEDIUM_PARCEL up to 20kg for custom boxes.
* Tweak – WooCommerce 10.5 Compatibility.