Canmove, confirm
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'''(First Draft)'''
The picture beyond Thunderbird version 60 is rather uncertain, given the continued high rate of change in Firefox platform code. We will work with add-on authors in the coming months to determine a viable post-60 add-on strategy. Here Below are some general thoughts, which if you have programming questions or wish to discuss the future can be posted in the mozilla.dev.apps.thunderbird newsgroup. (see [[Thunderbird/CommunicationChannels#If_you.27re_a_developer|Communication Channels]]
Work has been undertaken to keep supporting legacy add-ons "somewhat" in Thunderbird 63 and beyond. We implemented an overlay loader that will load XUL overlays for add-ons but may cause graphical glitches or malfunctions. We're tracking this in {{bug|1476259}}.
