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Service update availability

Microsoft is committed to delivering predictable service updates. These service updates are made generally available for self-deployment before Microsoft automatically applies them. The timing of the package release for self-update relative to the production autoupdates varies. Starting April 2024, we are introducing more flexibility in scheduling updates. Customers can select an autoupdate window of their choice. With the 10.0.39 release, customers can choose from two autoupdate windows that are four weeks apart for each service update. Organizations can select the update window that better accommodates their validation process and operational schedules. To determine the timing of self-update and autoupdates for upcoming releases, including the second autoupdate window see, Targeted release schedule (dates subject to change). To learn more about twice autoupdate window options, see One Version service updates FAQ.

Customers can take up to four service updates per year and are required to take a minimum of two per year. Customers can choose to pause one update at a time. A pause of a service update can apply to the designated user acceptance testing (UAT) sandbox environment, the production environment, or both environments. After the pause window ends, if the customer hasn't self-updated to a supported service update, Microsoft automatically applies the latest update, based on the configuration in Microsoft Dynamics Lifecycle Services. To learn more about how to pause service updates, see Pause service updates through Lifecycle Services.

Note

Service updates are provided four times annually. autoupdates occur in February, April, July, and October.

Targeted release schedule (dates subject to change)

Important

Beginning in 2024, Microsoft is releasing four service updates annually, in February, April, July, and October. There are important changes to preview, update, and servicing durations, and a scheduled update to the preview release build is now standard in every release. For answers to common questions about how these changes affect the release process, see One Version service updates FAQ.

As of February 19, 2024, the maximum number of consecutive updates that can be paused is being reduced from three to one. However, because release durations are being extended, the same minimum of two service updates per year is maintained. For more information, see One Version service updates FAQ.

To enable the new release cadence to be introduced with the first 2024 service update, some release milestones for 10.0.38 were adjusted. For more information, see One Version service updates FAQ.

Note

A sandbox autoupdate occurs seven days before the production update.

In the following table:

  • An asterisk (*) in the "Release version" column denotes a major release.
  • The "autoupdate schedule production start date" column refers to the autoupdate schedule that's configured in the update settings in Lifecycle Services. See Configure service updates through Lifecycle Services.
  • The "End of service" column indicates the date when no new cumulative service updates are provided.
Release version Preview availability Preview latest possible update General availability (self-update) First autoupdate schedule for production start date Second autoupdate schedule for production start date End of service
CY25Q4: 10.0.45* July 28, 2025 August 8, 2025 September 12, 2025 October 3, 2025 October 31, 2025 May 22, 2026
CY25Q3: 10.0.44 April 25, 2025 May 2, 2025 June 6, 2025 July 4, 2025 August 1, 2025 February 17, 2026
CY25Q2: 10.0.43* January 27, 2025 February 7, 2025 March 14, 2025 April 4, 2025 May 2, 2025 November 21, 2025
CY25Q1: 10.0.42 October 25, 2024 November 1, 2024 December 27, 2024 February 1, 2025 March 7, 2025 August 22, 2025
CY24Q4: 10.0.41* July 29, 2024 August 9, 2024 September 17, 2024 October 4, 2024 Nov 1, 2024 May 23, 2025
CY24Q3: 10.0.40 April 26, 2024 May 3, 2024 June 7, 2024 July 5, 2024 August 2, 2024 February 18, 2025
CY24Q2: 10.0.39* January 29, 2024 February 9, 2024 March 15, 2024 April 5, 2024 May 3, 2024 November 22, 2024
CY24Q1: 10.0.38 October 27, 2023 November 3, 2023 January 12, 2024 February 2, 2024 Not applicable August 23, 2024
10.0.37
(The "November" release)
September 1, 2023 Not applicable October 20, 2023 November 3, 2023 Not applicable March 15, 2024
10.0.36*
(The "October" release)
July 31, 2023 Not applicable September 15, 2023 September 29, 2023 Not applicable January 12, 2024
10.0.35
(The "August" release)
May 26, 2023 Not applicable July 14, 2023 July 28, 2023 Not applicable October 20, 2023
10.0.34
(The "July" release)
April 21, 2023 Not applicable June 16, 2023 June 30, 2023 Not applicable September 15, 2023

Note

The Software lifecycle policy applies to customers who are enrolled in the First Release program and to the date when the service update is made generally available.

Release naming convention as of the 10.0.38 release

Beginning in 2024, release labels are updated to more clearly convey important details about the release. The first half of the label refers to the calendar year and quarter when the autoupdate production start date is scheduled. The second part is the product version as it appears in Lifecycle Services. An asterisk (*) at the end of the label indicates a major release. For example: CY24Q2: 10.0.39* is product version 10.0.39 that's made available for autoupdate in the second quarter of 2024. It's a major update (the "April" release).

Legacy release naming convention (for the 10.0.37 release and earlier)

For continuity during the transition, release versions before 10.0.38 retain the previous naming convention. This pattern includes the product version, an optional asterisk to indicate a major release, and a broadcast month indicator. An example is 10.0.36* (the "October" release). It's important to note that the name of the month that's given to the release doesn't always indicate when the autoupdate might occur. For example, in the preceding table, the autoupdate schedule for the 10.0.36 ("October") release in 2023 actually starts on September 29, 2023.

Previews and preview updates are available as a deployable package in the Shared asset library in Lifecycle Services. For more information, see One Version service updates FAQ.

Service update overview

Service updates are continuous, touchless updates that provide new features and functionality. They eliminate the need to do expensive upgrades every few years. Because service updates maintain backward compatibility, there's no need to "merge your code." We recommend that you use tools such as the Regression suite automation tool (RSAT) for regression testing.

You're in control and manage how your organization receives these updates. For example, you can sign up for the First Release program so that your organization receives updates first. You can manually apply the updates to any of your environments (self-update). Alternatively, you can remain on the default release schedule and receive the autoupdates when you schedule them by using Lifecycle Services.

Service updates contain both application changes and platform changes that are critical to the service, including regulatory updates. For more information, see Service updates.

Release processes

The Dynamics 365 team designs and develops each new release. It validates the new release first, and then the finance and operations apps team validates it. Extensive testing is done on various test topologies. A compatibility checker also runs tests to ensure backward compatibility.

All customers who take advantage of the preview have early access to the upcoming service update. The preview service update is used to validate customizations, learn about new features, and provide feedback to Microsoft. During the preview phase, customers must deploy the service update in a development/test environment. The preview release can't be used in production. After release, customers can download the package from the Shared asset library in Lifecycle Services. Customers must agree to the program terms at the time of installation. Sign-up for access to preview packages (formerly known as the Preview Early Access Program [PEAP]) is no longer required. For version 10.0.38 and later, one scheduled update to the preview build is included as standard with every release.

The First Release program is open to all customers. Customers who join it are the first, select group of customers to take the service update all the way to production. Microsoft manages the deployment of this service update to a UAT sandbox environment and then auto-deploys the update to production seven days later. Customers who participate in this program gain the benefit of having dedicated Microsoft engineers closely monitor the environments for any issues after updates are applied. To join First Release, fill in the First Release Program: Microsoft Dynamics 365 Finance and Operations applications form. The First Release build, in most releases, is identical to the build that is promoted to the GA build. It's important to understand that in some situations when critical issues that are impossible to hotfix, or are discovered during the First Release period, Microsoft can declare a new First Release build and restart the First Release sandbox and production environment updates. In these cases, First Release customers are informed before the restart through Lifecycle Services. But it isn't possible to pause these updates.

The service update is made generally available through the Action Center in Lifecycle Services. When the service update is available, customers can manually apply it to all environments, including production. If the service update isn't applied to the designated sandbox or production environment, Microsoft automatically applies it, based on the update settings for the Lifecycle Services project. To learn more, see Configure service updates through Lifecycle Services.