I was going to play with the CSS Editor and installed version 1.0.1. When I click on the CSS editor the basic window shows up with a red cross in the left margin. The error message is “Fatal error, cannot continue: null is not an object (evaluating ‘reader.getline’)”
If I decide to try anyway and click on the visual editor the two panes in the bottom right doesn’t show up and the highlighting of different parts doesn’t work either.
This is on a new installation of WP, one demo post, Origami Evergreen