I've tried to create a new progress level for Index pages on pt.wikisource with no success (new level isn't being displayed on selection menu if I try to edit an Index page).

I need to do more than those edits to get it working properly?

https://pt.wikisource.org/w/index.php?diff=prev&oldid=278685
https://pt.wikisource.org/w/index.php?diff=prev&oldid=278686
https://pt.wikisource.org/w/index.php?diff=prev&oldid=278702