1) "004-kde4.xzm 005-kde4apps.xzm"
KDE-4 modules for 32bit edition.

2) "linux-3.4.9"
Kernel and initrd update for porteus-1.2 which fixes issues mentioned in this forum post:
http://porteus.org/forum/viewtopic.php?f=35&t=1472
crippled_sources and GPU drivers/VortualBox are recompiled against new kernel version.