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Update 18.5 for Microsoft Dynamics 365 Business Central online 2021 release wave 1

Would you like to know what has changed in update 18.5? Below you'll find an overview and relevant links to what has been done on hotfixes and regulatory features in this update. In addition, we have gathered some good to know information and links, you might find interesting.


Builds for Business Central in Türkiye are now live.


Find an overview of hotfixes in this article.

Feature changes

Localization updates

Country Feature change
Mexico Retention functionality for copied documents when cancelling or creating corrective Sales Credit Memos
Italy Tax Authority Doc. No. enlarged
Switzerland Support for multiple QR-IBAN bank accounts for issuers of QR-Bills

Release Plan

If you want to get a comprehensive overview of what's new and planned for Business Central online for the entire 2021 release wave 1 (release from April 2021 through September 2021), find the link to the release plan here.

Upgrade to 18.5

Please note that new customers will automatically get the latest builds of Business Central (18.4). If you are an existing partner/customer, you will receive an email notification as soon as your environment has been upgraded.

Good to know

Business Central Office Hours Calls in September
Make sure to join the office hours call around 'How to use OAuth, when calling Business Central APIs and web services' on September 14. Register and stay tuned for the upcoming calls:

Action needed: Client secret-based service to service authentication deprecation for Microsoft hosted tenants integrating to Dataverse
To ensure no disruptions in integration between Business Central and Dataverse you must upgrade your Business Central connection to Dataverse to certificate-based authentication. Although change will happen in March 2022, we strongly recommend you perform steps outlined in Upgrade Connections from Business Central Online to Use Certificate-Based Authentication as soon as possible.

Join Directions EMEA
Directions EMEA is your opportunity to network with other partners in the Dynamics 365 Business Central community, as well as to attend in-depth application, technical, sales & marketing, and executive sessions about Business Central, alongside sessions around Power Platform and Dynamics 365 workloads. Microsoft is sending 50+ staff members to cover all areas of Business Central from product development and support to product overview and future vision. There will be hands-on labs, round tables, and over 100 sessions that will dive into all areas of the product to help partners be more successful. Microsoft will host keynotes, addressing what’s new with Business Central, as well as future roadmap.

Conference details:

Customer Consent capabilities for all features that exchange data with 3rd party services
Business Central capabilities enable companies to seamlessly integrate with other parties needed to achieve business goals or statutory obligations.

In the Setup pages for each feature interchanging data from Business Central to another service, the user will see a text informing that the affected Business Central data might be shared with third party systems and flowing outside of the organization’s selected geographic boundaries with an option to enable/disable the feature and therefore get even better control of the data share.


If a feature is already made available and used, to avoid disruptions of ongoing business processes, it will remain available until the administrator takes action to turn it off.

Features in scope:

  • AMC Banking Fundamentals
  • EU VAT Reg. No. Validation Service
  • OCR Services
  • PayPal Payments Standard
  • Electronic Invoicing - Tradeshift
  • Envestnet Yodlee Bank Feeds Service
  • United Kingdom: Making Tax Digital for VAT Capabilities in Dynamics 365 Business Central
  • Spain: SII - Invoice and Credit Memo Types in Sales and Purchase Documents
  • Czech Republic: Core Localization Pack for Czech
  • Registration number verification
  • Electronic registration of sales
  • Currency Exchange Rate
  • VAT unreliable payer check