* Fix – Guest customers address form is empty when modifying saved addresses.

* 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).

* Fix – Address validation compatibility with WooCommerce Shipping.

* Tweak – Correct version bump from 5.4.3.

* Tweak – Always clear API response transients when updating a licensing product so that any API response payloads for the product details are always the most up to date
* Tweak – Introduce a setting to optionally display the instance ID correspoding to each API key activation in the order admin meta box or the customer account in the frontend
* Fix – Ensure a merchant is able to remove and clear a documentation page from one of the licensing product documents without the old value persisting
* Fix – Handle an issue where the access length of licensing product variations wasn't correctly being inherited from the parent product upon saving or updating the product
* Fix – Correctly enqueue some old legacy assets pointing to the wrong paths