> For the complete documentation index, see [llms.txt](https://docs.sonarsource.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sonarsource.com/sonarqube-server/2025.1/server-update-and-maintenance/update/release-cycle-model.md).
# Release cycle model
A detailed explanation of the SonarQube Server release cycle and patch policy. This page is for SonarQube Server 2025.1.
SonarQube Server releases a new version every two months—six per year. Two of those releases are Long-Term Active (LTA) versions (formerly LTS), which receive longer-term patch support.
SonarQube Server releases follow the following version scheme:
`YYYY.ReleaseNumber.PatchReleaseNumber`
{% hint style="info" %}
Up to version 10.8, SonarQube Server followed the `MAJOR.MINOR.PATCH` version scheme.
{% endhint %}
## SonarQube Server patch policy
{% hint style="warning" %}
This version of SonarQube Server is no longer patched.
{% endhint %}
The current patch policy applies to LTA releases starting with 2026.5.
* Developer edition, Enterprise edition, and Data Center edition customers get 12 months of patches from the release date.
* Enterprise edition and Data Center edition customers with Enterprise Support get 18 months of patches.
If your release does not receive patches, upgrade to a newer one for fixes.
See [Sonar support](https://www.sonarsource.com/support/) for commercial support tier details, including Enterprise Support.
How do I know if my SonarQube version is active?
There are two main ways to check if you are using an active version of SonarQube Server:
1. In SonarQube Server, in the footer next to the version number, you can immediately see if your version is *active* or *no longer active.*
2\. Administrators can go to the **Administration** > **System.** As per above, you can see in the footer if you are on an active version.
If there is a new version available, administrators will see a message at the top of the screen prompting you to update to the latest version:
## Related pages
* [SonarQube Server Long Term Active (LTA) and FAQ](https://www.sonarsource.com/products/sonarqube/downloads/lts/)
* [Determining the update path](/sonarqube-server/2025.1/server-update-and-maintenance/update/determine-path.md)
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