> For the complete documentation index, see [llms.txt](https://help.dragen.illumina.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.dragen.illumina.com/dragen-v4.6/reference/eol-transition.md).

# DRAGEN Product Obsolescence Notices

This section refers to DRAGEN Secondary Analysis package versions for use on-prem and BYOL

| Version           | Date of Obsolescence |
| ----------------- | -------------------- |
| v3.3 and lower    | June 1, 2025         |
| v3.9 and lower\*  | December 1, 2025     |
| v3.10 and lower\* | June 1, 2026         |
| v4.0, v4.1, v4.2  | June 1, 2027         |

\*v3.7.8 and v3.9.5 will continue to be supported by Illumina indefinitely

After the dates of obsolescence, there will be no further updates, improvements, bug fixes, or support for the affected versions. Customers will no longer have access to download installers, release notes, and user guides after date of obsolescence.


---

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