All scripts were moved to script.rpa, which is one of the biggest reasons why manual updates are very possible now.
While you can't name specific saves, you do have an infinite amount of pages, and those pages can be renamed.
This hasn't been reported, I don't know of any issues with that.
Simply download, install, launch, and load your save. Don't overwrite files.
In the future, when you plan to update to v0.14 from v0.13.2, you will need to delete script.rpa and replace it with the new script.rpa and add v14.rpa.