yes, Sticky Password 126.96.36.199 is fully compatible with Firefox 8.
The only problem is that Firefox 8 automatically disables all extensions. You will be asked if you would like to allow Sticky Password plugin during the installation of Firefox 8 and it´s necessary to allow it.
If you won´t allow it during installation, it is necessary to allow our plugin manually in Firefox and then restart it.
Sticky Password Team
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