Jan 17, 2021: Please do keep up the good work. I am surprised to see so few users. Glad you finally gave up the buggy homegrown editor.
Mar 24, 2019: A promising start. I like the idea of combining user scripts and user css in one add-on. Developer is very responsive and promptly fixed some issues I reported. Please disregard one-star ratings. I inadvertently got dragged into this so I know what is going on with those. A silly attempt to hurt a fellow developer who is also volunteering to be a code reviewer for other add-ons.