This is where everything started from
How-to downgrade ROME TP to true ROME rolling release in few simple steps
Open Software Repository Selector;
Disable any additional repository;
Switch ‘Update Channel’ from Cooker to Rolling
A warning popup will appear.Click Yes and confirm OK
Clean and refresh repo list;
Make sure you have rolling repository only enabled
Upgrade the system with distro-sync command
At the end of the script, a couple of questions to answer.
Notice ‘Y’ as answer to both, versus the default ‘N’ proposed
Just in case, let’s fix it
Now you may want to enable again the additional repositories.
Clean and refresh repo list and repeat distro-sync to update all the rest.