Love this addon. Only issue is the editor window does not remember which monitor to open on in a multi-monitor setup nor the last used window size; in my case, maximized on monitor #2.

Very few working themes, most of them are out of date and either doesnt work or brakes the websites.

I like this plugin, but I want it too in mobile version of Firefox because some websites aren't responsive. Can you create a version for mobiles?

What is the update error (can't access lexical declaration "metaParset" before initialization)?
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Что за ошибка обновления (can't access lexical declaration "metaParset" before initialization)?

It used to work great but the functionality to search for existing themes for the site you're on takes a very long time to search, and for some sites just doesn't ever return any results.

Simple and "easy" to use.
The 3rd party website containing the userstyles is awfully slow. (This didn't influence my rating)

Great addon, but has it's limits. Also userstyles.org page works very poor, so getting styles is very hard.

I've been using this extension since the privacy problems caused by Stylish and I find it very good. I appreciate the editing capability and I started learning CSS by tinkering with the code.
The connection problems encountered on userstyles.org make me lower my score but Stylus is not responsible for this defect so 4 stars for them. Thank you for your work.

It's a great extra but currently the inline style picker isn't working.