Firefox 19 Stable Released, Unofficially

Brings to the table built-in PDF viewer based on JavaScript and HTML5

  Brings to the table built-in PDF viewer based on JavaScript and HTML5
Mozilla has uploaded the installer for the stable version of Firefox 19 on their servers, for all supported platforms (Windows, Mac and Linux).

Mozilla has uploaded the installer for the stable version of Firefox 19 on their servers, for all supported platforms (Windows, Mac and Linux).

The big news for Firefox 19 is the introduction of a more secure PDF viewer (based on JavaScript and HTML5) that started from a research project called PDF.js.

This is designed to make the browser more secure, since it eliminates the need for third-party components that often come with proprietary source code Mozilla has no control over, and which could pose security risks.

PDF.js did not create any problems during the six beta releases for Firefox 19 but should something happen on its account, Mozilla has already prepared an add-on hotfix to disable the component.

Important to note is that, when PDF.js is disabled, the previous PDF plug-ins become re-enabled. The hotfix affects only the release channel.

For Windows, there is also a stub-installer available, which downloads the necessary files over a secure connection.

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