Changes

{{note|The documentation at This guide has been deprecated. All its information has been moved to [https://developer.thunderbird-webextensions.readthedocs.ionet/en/latestadd-ons/howupgrading-to/extensions68.html is a better place to start learning about converting add-ons -for-tb68 developer.thunderbird.net]. Please do not add new information to run on recent Thunderbird builds. However, this page contains details about specific issues you may encounter that aren't all documented therewiki, so this may but get in contact with us and share what is missing and it will be a useful reference as welladded to the official guide. The goal is to have one single source of information.|reminder}}

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