The AvaTax release schedule includes a preview period during which time the latest software is available for integration testing in the AvaTax Sandbox Environment two weeks before launching to production. If your engineering team would like a sandbox account for integration testing purposes:

Development and Solutions Partners (DSP), please contact your Business Development Manager.
Avalara customers, please contact your Customer Account Manager or open a support ticket.

Ensured rebuild is processed on FC request auto approval
Fixed Returns Console customers receiving company filing status as "Active" instead of "NotYetFilling"
Resolved connection issue from API to ReportServer
Added feature flag for new Definitions APIs for Nexus by TaxSubType feature
Removed buggy ModelRequiredException in Create Transaction
Added validation for DocumentIds list in BulkLockTransaction model
Added a Definitions API to list TaxSubTypes by JurisdictionCode and Region
Fixed calling AvaTax Rest V2 with an item with too-long postal code not generating an error in Error Transaction Service
Added Definitions API to ListNexusByTaxType with flag for isTaxSubType Nexus
Added support for displaying TaxName for Nexus