9to5Linux Weekly Roundup for May 17th, 2026, brings news about Debian 13.5, KDE Plasma 6.6.5, Fragnesia and ssh-keysign-pwn flaws, GStreamer 1.28.3, KDE Plasma 6.7 beta, fwupd 2.1.3, SparkyLinux 8.3, LibreOffice 25.8.7, PipeWire 1.6.5, Shelly 2.3, Rescuezilla 2.6.2, MX Linux 25.2 beta, and more.