Acumatica 2026 R1 brings enhanced usability, latest AI features that work for you and brand new industry features to enhance your competitive advantage. Click here to learn more
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Prior releases
We highly recommend that you upgrade to the latest build. If you choose to upgrade to earlier builds, you acknowledge that you have read about the known issues in earlier builds and understood the risks.
Click Show content below to get the download links for previous builds.
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Upgrade notes
Always unpublish customization projects before upgrading.
Note that the following action should be taken before the upgrade:
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If in the earlier versions, you have customization projects that add new system objects, such as generic inquiries and forms, read this article before the upgrade.
Before you upgrade Acumatica ERP from older versions, read the following documentation:
The Installation and Upgrade Notes section of the Acumatica ERP 2026 R1 Initial Release Notes. This section contains the upgrade paths, a list of actions that need to be performed before and after the upgrade, and a description of significant changes in the product design.
Topics in the release notes that are related to the functionality that you use. These topics describe the changes and improvements that have been made to the functionality. You can find the topics in the Acumatica ERP 2026 R1 Initial Release Notes and in the Release Notes chapter of the Acumatica ERP Online Help.
The Acumatica ERP 2026 R1 Developer Release Notes document, which contain the list of changes that could affect custom generic inquiries, customizations, import and export scenarios, and API integrations.
The Acumatica ERP 2026 R1 Release Notes: Fixes and Enhancements document, which contains the list of fixes and minor enhancements that have been introduced in Acumatica ERP 2026 R1.
Important Links About Our Latest Release
Initial Release Notes (31.6 Mb), compressed version (18.8 Mb)
Developer Release Notes (PDF) , Version for AI (Markdown)