#'''Use only [https://developer.mozilla.org/Add-ons/SDK/High-Level_APIs high-level APIs]''' - High-level APIs are [https://wiki.mozilla.org/Add-ons/developer/communication#1.29_Has_SDK_add-on_using_low_level_APIs e10s compatible] and are more likely to have an equivalent WebExtensions API. You will have to migrate again once WebExtensions are fully ready, but it should be pretty easy to do in this case.
#'''Move to [[https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions|WebExtensions]]''' - Check the [https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Comparison_with_the_Add-on_SDK SDK/WebExtensions comparison chart] to see if the APIs you need are available, and see what else we're doing to [[Add-ons/developer/communication#Managing_the_Impact|mitigate the impact]] of this transition.
==3) Has SDK add-on using only high level APIs==