It won't matter (as much) for Firefox, as Mozilla have an 'extended support' version for Enterprises. It used to be 3.6, but recently it moved to 10. As the 'en

It won't matter (as much) for Firefox, as Mozilla have an 'extended support' version for Enterprises. It used to be 3.6, but recently it moved to 10. As the 'enterprise' version uses a different update stream, the only updates will be security updates. They stick with the major version for a year, and provide a twelve-week 'migration' window where both ESRs are supported [0] However, there is no similar scheme for Chrome. [0] http://www.mozilla.org/en-US/firefox/organizations/faq/ http://www.mozilla.org/en-US/firefox/organizations/faq/