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The 2006 100 Best Products's Best Security/Privacy Add-on 2010-2011
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Stable AMO Version, see changelog for details.

Supported browsers: Firefox, SeaMonkey, Tor Browser (where it is built-in).
Other browsers based on Gecko versions >= 45 might work, but are not tested.

Mobile Version

If you want to test NoScript 3 alpha mobile version (compatible with Firefox for Android), you can find it at the NoScript Anywhere mini-site.

Direct download

You can get latest stable version here, too, using this direct download link for NoScript
To install, just drag and drop it onto your address bar.

If you find any problem installing it, this FAQ may help.

Users of Firefox 44 and below are urged to upgrade their very unsafe browser. For those few who can't,

Development version

If you're brave enough and you need a specific feature or fix not released yet, or you simply want to provide feedback before official release, you may want try this
development build.
Recent development history:

x Fixed
x Fixed FRAME blocking issue on non-e10s browsers

x Fixed incompaitibility with LastPass non-AMO version 4.x

x Fixed ABE sandbox overly restrictive on Gecko 50 and above
  (thanks fatboy and barbaz for report)

x Fixed UI synchronization issue (thanks Klayton for report)

x Fixed browsers older than Gecko 50 unaffected by ABE's
  sandbox action (thanks barbaz for reporting)
x Fixed cross-domain HTTPS requests in the same subdomain
  triggering XSS false positives (thanks Robert Aldridge for

x ABE sandbox now enforced by CSP sandbox directive (thanks
  barbaz for report)
x Fixed sites marked as untrusted could not be reallowed on
  the same tab
- removed obsolete noscript.docShellJSBlocking preference


If you find something wrong about NoScript, read the FAQ page and/or let me know: I'll try to fix it as soon as I can.

You can also discuss about NoScript on this Forum.

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