Septor distribution uses Debian Testing as the basis, and as the default desktop environment, KDE Plasma.
The latest edition, (2020 edition), announced today and brings:
Tor Browser is fully installed (9.0.8) System upgrade from Debian Buster repos as of April 7, 2020 Update Linux Kernel to 5.4.13 Update Thunderbird to 68.4.1-1 Update Bluez to 5.50-1.2 Update Youtube-dl to 2020.03.24
The distribution can be used as Live or even installed on a hard disk through the standard Debian installer.
Watch the video