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Firefox 19 Beta (desktop only) was made available for testing on Thursday, January 10th. A new feature introduced with Firefox 19 is a native PDF viewer which eliminates the need for third-party plugins for a smoother and more secure browsing experience. The timing of this perfect with the news about vulnerabilities in the Foxit PDF Plugin earlier on Thursday.
For more detailed information about Firefox 19 Beta, please see the release notes. Users can download and test Firefox 19 Beta from here. Firefox 19 will be released on Tuesday, February 19th.
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