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Why should I update to 39.0, what difference does it make?

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Why do I have to do this update that you keep asking for me to do. What difference does it make from the last update. It just seems to me that you keep asking to upgrade all the time

Why do I have to do this update that you keep asking for me to do. What difference does it make from the last update. It just seems to me that you keep asking to upgrade all the time
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Chosen solution

Read the release notes and don't miss the security fixes link at the bottom of the page. https://www.mozilla.org/en-US/firefox/39.0/releasenotes/

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Chosen Solution

Read the release notes and don't miss the security fixes link at the bottom of the page. https://www.mozilla.org/en-US/firefox/39.0/releasenotes/

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Same 6 week release cycle that Firefox has had since Firefox 6 was released in August 2011.