Here's what happened, why it matters, and how it was resolved. Fortunately, developers have confirmed they resolved this bug Ubuntu 25.10 systems stopped automatically checking for software updates
Manual updates still worked fine Ubuntu 25.10 rust coreutils update bug is fixed You could run sudo apt update or open software updater without any issues
For users of ubuntu 25.10 questing quokka, ubuntu team announced how to fix the issue that automatically check of updates not working in desktop, server, cloud, and container As you may know, ubuntu replaced gnu core utilities with rust in 25.10 Besides the early fallout of switching to rust coreutils on ubuntu 25.10 causing some breakage, a more pressing issue has been discovered Ubuntu 25.10's unattended upgrades functionality for automatic security updates is currently broken due to a rust coreutils bug.
Affected machines include cloud deployments, container images, ubuntu desktop and ubuntu server installs This breakage stopped the essential automatic update checks
