distribution Mageia - changes :
- last source from ‘archive’ to ‘current’
distribution Ubuntu - changes :
- last release downgrade from ‘26.04’ to ‘25.10’
- last url from ‘https://releases.ubuntu.com/26.04/ubuntu-26.04-desktop-amd64.iso’ to ‘https://releases.ubuntu.com/25.10/ubuntu-25.10-desktop-amd64.iso’