There are new SparkyLinux 2025.09 ISO images available of the semi-rolling line, code-named 'Tiamat'. Changes: packages updated from the Debian and SparkyLinux testing repositories as of September 14, 2025; Linux kernel 6.16.7 (6.16.7, 6.12.47-LTS and 6.6.105-LTS in SparkyLinux repositories); Calamares installer updated to version 3.4.0, installation on an encrypted disk has been restored; Firefox 128.14.0-ESR (143.0 in SparkyLinux repositories); KDE - QuiteRSS replaced by Akregator; LXQt - QuiteRSS replaced by Liferea; GCC 15 (GCC 14 removed); all SparkyLinux graphical components updated to the new testing version. Important: installation on UEFI machines requires an active internet connection; installation via Calamares (menu icon 'Sparky Installer') is recommended on UEFI machines.