As announced on Heise.de, the first edition of Knoppix 5.3.0 is included in c't magazine 06/2008 issued during CeBIT 2008. After CeBIT, Version 5.3 will be available on the Knoppix-Mirrors for Download, mostly unchanged.
Read the announcement here
Linux Kernel 2.6.24,
KDE 3.5.8 with compiz-fusion as 3D-window manager,
Updates: cloop 2.624 realtime decompression with threads and experimental “suspend” feature, Debian etch+testing, Iceweasel/Icedove (Firefox/Thunderbird) Updates,
special feature accessibility:
Orca as graphical screenreader,