
Release Date: 9 April 2026
Base: Ubuntu 25.10 (Questing Quokka)
Introduction
FunOS 25.10 is now available as an updated ISO featuring the Calamares installer, replacing the previous Ubiquity-based installer used in the original release.
This refreshed ISO provides a more modern and flexible installation experience, along with updated packages and new visual improvements.
What’s New in FunOS 25.10 (Calamares Edition)
- Updated package base
- Firefox ESR 140.9.0esr
- 10 new wallpapers from Adobe Stock and Freepik
- Calamares installer for a better installation experience
Support Lifespan
FunOS 25.10 is an interim release with a support period of 9 months:
- End of standard support: July 2026
- End of life: July 2026
If you need long-term stability, we recommend using FunOS 24.04.4, which is supported until at least 2029.
Download
You can download the latest ISO from the link below:
Important Note for Existing Users
If you have already installed FunOS 25.10 (Ubiquity version), you do not need to reinstall your system.
However, if you would like to get the 10 new wallpapers included in this updated ISO, you can easily install them by following the steps below.
How to Get the New Wallpapers
First, update your system packages:
sudo apt update
sudo apt upgrade
Next, download the FunOS update script:
wget https://raw.githubusercontent.com/funos-linux/funos-updates/main/ubuntu/25.10/funos-update
Install the script safely into the system:
sudo install -m 755 funos-update /usr/bin/funos-update
Run the update script:
sudo funos-update
Finally, clean up unused files and packages and reboot:
sudo rm -f funos-update
sudo apt autoremove
sudo reboot now
Closing
This updated ISO ensures that new installations of FunOS 25.10 benefit from the improved Calamares installer and the latest enhancements, while existing users can continue using their current system without interruption.
For users who prefer a fresh installation experience, this release provides a more streamlined and modern setup process.