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Update 28.4 for Business Central 2026 release wave 1

Want to know what changes are in update 28.4? The following sections provide an overview and relevant links to hotfixes and regulatory features in this update. In addition, the release notes include some good-to-know information and links that you might find interesting.

Hotfixes

Learn about the hotfixes and download the on-premises files from Microsoft Support at Update 28.4 for Business Central 2026 release wave 1.

Feature changes

Product area Feature Public preview/General availability
Copilot and agents Speed up processing with Known Senders in Payables Agent General availability
Electronic documents Use payments with the E-Document framework General availability
Use purchase draft page to preview Peppol electronic invoices Public preview

Localization updates

No updates

Release plan

For a comprehensive overview of what's new and planned for Business Central online for the entire 2026 release wave 1 (release from April 2026 to October 2026), see Plan and prepare for Dynamics 365 Business Central in 2026 release wave 1.

Upgrade to 28.4

Online customers

  • New customers automatically get Business Central version 28.4.
  • Existing customers receive a notification when update 28.4 is available so they can schedule the update. For more information, see Schedule an update.

On-premises customers

The upgrade path depends on your current major version. Select the instructions that match your deployment:

Good to know

Improved Field Service integration

Business Central now fully respects the Dataverse Convert to Customer Asset setting when synchronizing service items with Dynamics 365 Field Service.

Previously, eligible service items could be synchronized as customer assets even when the related Field Service product was configured not to create customer assets, that is, when Convert to Customer Asset was set to No. Going forward, new uncoupled service items create customer asset records only when Convert to Customer Asset is set to Yes.

To avoid disrupting existing integrations, service items that are already coupled to customer assets continue to synchronize regardless of the current product setting. This change affects only new service item and customer asset synchronizations.

This change helps ensure that new synchronizations follow the intended Field Service product configuration while preserving existing integrations.

Copilot and agent data movement across geographies

Starting July 1, 2026, Business Central environments on version 28.0 or later in some countries or regions might process Copilot and agent requests in a different Azure geography. You can manage data processing preferences on the Copilot & agent capabilities page.

Learn more in Copilot data movement across geographies.

Business Central Launch Edition - 2026 release wave 1

Explore the Business Central Launch Edition (BCLE)—a comprehensive skilling experience designed to help partners stay up to date, aligned, and ready to deliver value faster with every release wave.

  • 40+ what's new sessions on YouTube: aka.ms/BCLE
  • 'What's new' partner deck for download: aka.ms/BCLEDECK
  • Have questions? Go to the new Business Central partner communities on Viva Engage and ask the product experts: aka.ms/BCVivaEngage

Are you a partner who wants a list of relevant resources? Learn more in Resources for Partners.

Are you a user who wants a list of relevant resources? Learn more in Resources for users.