https://www.flaticon.com/free-icons/dock
2,928 dock icons. Vector icons in SVG, PSD, PNG, EPS and ICON FONT
dock iconssymbols
https://www.androidcentral.com/microsoft-launcher-beta-gets-adaptive-icons-hidden-dock-option-more
The latest Microsoft Launcher beta brings several new features to the table, including adaptive icons and the ability to hide the dock.
microsoft launcherbetagetsadaptiveicons
https://osxdaily.com/2013/04/29/disable-red-badge-app-icons-mac-os-x/
Disable the Red Badge Alerts on Dock Icons in Mac OS X
dock iconsdisableredbadgealerts