Firefox 17 ESR EOL Today

Firefox 24 ESR should be officially released today which means Firefox 17 ESR users will be automatically upgraded to Firefox 24 ESR. I want to take this opportunity to remind everyone of a major change that happened in Firefox 21 that will impact everyone upgrading to Firefox 24 ESR.

The location of a number of important files that are used to customize Firefox has changed. Here’s the list:

  • defaults/preferences -> browser/defaults/preferences
  • defaults/profile -> browser/defaults/profile
  • extensions -> browser/extensions
  • searchplugins -> browser/searchplugins
  • plugins -> browser/plugins
  • override.ini -> browser/override.ini

If you find that anything you’ve customized is not working anymore, these changes are probably the reason.

Please note: I reserve the right to delete comments that are offensive or off-topic.

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