In Change Tracking, you are now able to filter by TM1 object type. Go to Change Tracking then Change History and click on your TM1 instance:

You can see all changes that have been made during the specific date range:

Click on the drop down list to filter by object type:

You can untick the TM1 object types you don’t want to see:

Click on Filter, and now you can see only the rule files:

You can change the date range:

You see all rules which have at least one change in the new date date range: