> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dualentry.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Copilot artifacts and Canadian tax compliance (May 21, 2026)

> DualEntry release notes for May 21, 2026: copilot artifacts, bills bulk import reference numbers, Canadian tax compliance, and MCP improvements.

## Features

* **AI Copilot Artifact Creation** - Added endpoint for embedded copilot to register surface context artifacts when users navigate within copilot components.
* **Bills Bulk Import** - Added Reference Number column to bills bulk import and update templates for easier bulk management.
* **Amortizations** - Added support for negative accumulated balances and one-time billing frequency for contract obligations.
* **Customer Statements** - Enabled re-sending customer statement emails after initial delivery.
* **Contract Management** - Added days until expiry field and filter, plus enhanced change order tracking with audit logs and summary endpoints.
* **Canadian Tax Compliance** - Added support for regional nexuses (GST/PST/HST) with tax recoverability validation.
* **MCP Integration** - Added logo URLs to MCP server responses and improved Slack channel listing with flexible name matching.
* **Trial Balance Reporting** - Added new trial balance endpoint for comprehensive account balance reporting.
* **Brex Integration** - Added source links to synced transactions and support for VAT rate data push to Brex.
* **Deel Integration** - Added support for Deel EOR worker payroll integration.
* **Fivetran Connectors** - Enabled NetSuite SuiteAnalytics and Sage Intacct migration setup flows.
* **Public API** - Added amount due filter to invoices list endpoint and classifications support for customer and vendor credits.
* **MCP User Authentication** - Added per-user OAuth credential management for MCP servers, allowing individual users to connect and manage their own MCP integrations.
* **AI Copilot Tool Updates** - Extended tool update notifications to handle entity modifications (Customer, Vendor, Item) and notify affected artifacts.
* **Bulk Import Engine** - Added new CSV and XLSX parsers with streaming support, encoding detection, and unified processing interface.
* **Canadian Tax Registration** - Enhanced tax registration numbers logic for Canadian GST with support for multiple jurisdiction-specific registration numbers.
* **Payroll Accrual** - Added default closing month support and improved accrual line generation for payroll processing.
* **Data Sync Filtering** - Extended integration data sync to filter by transaction date instead of sync date for improved reporting accuracy.

## Fixes

* **Bulk Import** - Fixed missing classification values in bulk update template rows for proper data export.
* **Amortization Calculations** - Corrected off-by-one error in remaining period calculations when accumulated through dates are at month end.
* **Contract Scheduling** - Fixed errors when obligation-level billing or recognition intervals are null by using contract-level defaults.
* **Ramp Integration** - Resolved sync status issues for reimbursements and improved URL handling for vendor payments.
* **Bank Matching** - Enhanced inactive account guards in transfer draft creation to prevent validation errors.
* **Organization Cloning** - Fixed rollback handling for failed partial writes and replaced name-based matching with ID-based lookups.
* **Integration Records** - Improved performance by eliminating N+1 queries in Finch integration serialization.
* **Content Type Caching** - Optimized database queries by using cached ContentType lookups across multiple API endpoints.
* **MCP Tools** - Fixed record ID handling for IntercompanyJournalEntry objects and improved error responses for unknown record types.
* **Contract Metrics** - Fixed null handling in contract change order data and improved integration bulk archive processes.
* **Journal Entry Reversals** - Fixed imported journal entry reversals not posting to the General Ledger by setting correct record status.
* **Bank Reconciliation** - Fixed statement balance updates when the balance is zero by ensuring zero values are properly persisted.
* **Payroll Accrual** - Fixed accrual line generation for credit lines by gating each side independently on its own base.
* **Ramp Integration** - Fixed custom field option reactivation errors by handling already-active options as no-op operations.
* **Stripe Integration** - Fixed duplicate transaction issues by ignoring archived duplicate transactions during sync.
* **Custom Field Validation** - Added proper date validation for custom fields in bulk import operations.