Our Diigo browser extension for the new Firefox is now updated and live!
You can find it on the offical Firefox addon collection at:
https://addons.mozilla.org/en-US/firefox/addon/diigo-web-highlighter-and-stic/
Sorry for the delay, thanks for your support!
Diigo 
What should the version number be? Last updated date on the Firefox Addons site still says Feb 2013?
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very nice.