Latte Dock as this popular desktop dock for KDE desktops now supports having multiple docks and panels on the same edge, floating docks and panels support, new visibility modes, on-demand sidebars, various applet improvements, improved layout dialogs, and much more. There are also many bug fixes and other improvements -- more than two thousand commits since Latte Dock 0.9.
More details on Latte Dock 0.10 via the release announcement .