It would be very convenient to allow developers described their web pages, to open it in the Firefox browser and to finish their pages directly from the browser console.
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Hi LunxUtz, thank you for reaching out.
Yes, saving changes made through the DevTools UI to a file (or even back to the server) has been requested many times in the past.
There is "Changes" side panel in the Inspector panel that is tracking all changes made in CSS (not in the HTML using the Markup view though). All the changes can be consequently copied into the clipboard in a form of a diff/patch.
Does that help?
Anything we could improve on this specific panel?