# 11.04 'Natty Narwhal' — Software end-of-support dates

For 11.04 'Natty Narwhal', product is Ubuntu; released is 28 Apr 2011; end of active support is 28 Oct 2012; end of security support is 28 Oct 2012, verified against its source on 2026-08-03.

- **Product:** Ubuntu
- **Release:** 11.04 'Natty Narwhal'
- **Released:** 28 Apr 2011
- **End of active support:** 28 Oct 2012
- **End of security support:** 28 Oct 2012

## What the source says

> untu.com/OneiricOcelot/ReleaseNotes/> 11.10 (13 Oct 2011) | 11.04 'Natty Narwhal' | 15 years ago (28 Apr 2011) | Ended 13 years ago (28 Oct 2012) | Ended 13 years ago (28 Oct 2012) | Unavailable | <https://wiki.ubuntu.com/NattyNarwhal/ReleaseNotes/> 11.04 (28 Apr 2011) | 10.10 'Maverick Meerkat' | 15 years ago (10 Oct 2010) | Ended 14 years ago (10 Apr 2012)

## Source

- https://endoflife.date/ubuntu

Last verified: 2026-08-03. Review by: 2026-11-01.
Part of [Software end-of-support dates](https://referencesource.org/software-end-of-support/).