> Vanilla OS is an immutable and atomic Ubuntu-based distribution that receives updates at the right time without sacrificing security or functionality.
> Vanilla OS is an immutable operating system. Core parts of the system are locked down to prevent unwanted changes or corruption caused by third-party applications or faulty updates. Some paths such as the home and configuration directories are still writable, allowing the user to keep and modify their files and application data.
> Core components are updated via controlled and atomic transactions, which are only applied when successful and made available on reboot.
Anecdotally I've been running Ubuntu 18 since it came out and updates don't mess with my system. They're not designed to mess with your system. They're mostly security patches for modular pieces of the OS.