I am using the latest version of this Jenkins plugin. As soon as I create a folder on the front page of Jenkins and select the "Project-based security" option and fill it in. Then click on save. but when I later go back to the same project settings the option is NOT enabled.

So when I fill in these options and click on SAVE afterwards:

then I click somewhere else, and return to the same page. it looks not enabled / not saved correctly I guess?