Changes

Add-on authors should refer to the MDN [https://developer.mozilla.org/en-US/Add-ons/Working_with_multiprocess_Firefox Firefox Add-on Migration Guide] for porting existing add-ons to e10s. For general design information see the [https://developer.mozilla.org/en-US/Firefox/Multiprocess_Firefox Multiprocess Firefox] MDN documentation. Add-on testing compatibility is currently available at http://arewee10syet.com.

For more information about Add-on testing compatibility is currently available at httpissue mitigation and rollout of e10s to add-on users, see the [https://arewee10syetwiki.commozilla.org/Add-ons Add-on Project Wiki] page.