Ubuntu 26.10 is replacing its D-Bus implementation for the first time since 2004, swapping dbus-daemon for dbus-broker – a change end-users are unlikely to notice. Processes on your desktop talk to each other and to the host system using D-Bus, a ‘message’ bus. This is what the Ubuntu Dock uses to show unread-count badges for apps, what tells your desktop a USB drive has been plugged in, and so on. Two buses are in play. There’s aa system bus, shared across the whole device, handling hardware and background services, and a user session bus to handle desktop and app integrations […]
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