# Ubuntu release notes

> This is the documentation for the Ubuntu release notes, which describe the changes
> in current and upcoming Ubuntu releases.


2026

## Pages in this subsection

- [Ubuntu 27.04 release notes](https://documentation.ubuntu.com/release-notes/27.04/index.html.md): These release notes cover new features and changes in Ubuntu 27.04 (Tenacious T-Rex).
- [Ubuntu Tenacious T-Rex Release Schedule](https://documentation.ubuntu.com/release-notes/27.04/schedule/index.html.md): | Week              | Date (Thursday)   | 27.04 events                                              ...

## Optional

- [Top-level llms.txt](https://documentation.ubuntu.com/release-notes/llms.txt): Complete documentation index.