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I'm using Mac Firefox. Until recently, Font Finder worked fine. In the newest version of Mac Firefox (15.0.1), however, Font Finder only works the first time I use it after launching Firefox. After that, the extension doesn't work. I have to quit and re-launch Firefox each time I want to use Font Finder -- which obviously makes Font Finder completely impractical to use. The highlighting (of the extension's icon, if clicked on, and the text) seems normal, but no informational box pops up at all. Nothing. It (mis)behaves the same way regardless of whether I use the Font Finder contextual menu or the toolbar icon. A shame, really; it was great when it worked.

Does the developer test this in the Mac version? Of course it's possible there's some conflict with another extension I run, since I do run a bunch. Any suggestions would be appreciated; I miss this extension.

Questa recensione riguarda una versione precedente (1.0.1-signed) del componente aggiuntivo. 

Yes, this is tested on Mac (10.7 and 10.8.) Your description didn't help me recreate the issue.

<br>I'm in the process of debugging this and releasing a fix.<br><br>This bug is being tracked at All the information that you could provide to help me reproduce this would be greatly appreciated.