MozillaZine

User talk:Dickvl/TabVisited

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Now that extensions must be signed do you have a signed extension version. I will be using my own CSS styling from https://userstyles.org/styles/101570/tab-color-underscoring-active-read-unread-fx29 DMcRitchie 14:38, 21 March 2017 (UTC)

There is no longer need for an extensions because Firefox has an unread attribute for tabs. You would only have to change the selectors.
See "unread", "Selected", "pined":
https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XUL/Tab
Dickvl 01:53, 2 April 2017 (UTC)