General Notes

KDE 4 is a desktop environment suggested in ROSA Desktop Fresh R9 for conservative users.

Specific of KDE 4 in R9

ROSA brand-name decorations, style and ergonomics
SimpleWelcome is used as application launcher
RocketBar is used as a default panel
StackFolder is suggested for quick access to files and folders
Dolphin file manager is now integrated with Klook viewer (which can be easily launched by pressing a space bar)
Firefox is considered to be a primarily web browser, but it is supplemented by Chromium
Default installation includes ROSA Media Player и Clementine, LibreOffice suite, KTorrent client, GIMP image editor, Audacity audio editor, EasyTAG mp3 tag editor and a lot of other useful applications
PartitionManager is used to manage disk partitions
quick-usb-formatter program is available for easy USB stick formatting
ROSA-specific tools (such as software manager) are integrated into KDE Control Center
Most of KDE applications are now based on KDE Frameworks 5

Modification of styles, colour schemes and icon themes in KDE 4 settings now affect KF5/Qt5-applications, as well (except those cases when selected style is not available for KF5/Qt5)
Fix bugs in plasma-integration that prevented loading of some colour schemes described in config
thunderbird is not installed by default anymore (since most users prefer Web-base interface for mail nowadays)
gparted partition manager is replaced with partitionmanager

32bit ISO (md5sum: 27b3aebe6ef8c3ee423a54b0443556bc) - for machines with 32bit UEFI
64bit ISO (md5sum: 35e0f3b6ce2e51c6791ba6e520f8ba6b) - for old machines that experience problems with booting UEFI images

The images are also available at Yandex CDN.