Latte Dock

CAUTION: The developer of Latte announced his retirement from maintining the project.

Dock based on Plasma frameworks that provides an elegant and intuitive experience for your tasks and plasmoids.

Installation

Install Latte Dock from AUR (most recent version)

yay -S latte-dock-git

Configuration

Borderless maximized windows

1. Right-click on Latte dock -> Configure Latte -> Preferences tab -> Behavior: Support borderless maximized windows in different layouts
2. Enable borderless windows for KWin:

   kwriteconfig5 --file ~/.config/kwinrc --group Windows --key BorderlessMaximizedWindows true
   qdbus org.kde.KWin /KWin reconfigure
   

Widgets

Window Title

Install with KDE Widget "Get new stuff" feature.

Alternatively install via AUR:

yay -S plasma5-applets-window-title-git

Window Buttons Widget

Install via AUR:

yay -S plasma5-applets-window-buttons-git 

Troubleshoot

Meta key doesn't open application launcher

kwriteconfig5 --file ~/.config/kwinrc --group ModifierOnlyShortcuts --key Meta "org.kde.lattedock,/Latte,org.kde.LatteDock,activateLauncherMenu"
qdbus org.kde.KWin /KWin reconfigure