Thunderbird Add-Ons Development in 2016? XUL recommended?

Question

I am trying to get into Thunderbird extension development and do not find much or only a lot legacy information on that.

I find a lot of information that extensions in Firefox and Thunderbird work the same, but:

XPCOM/XUL based extension are not recommended anymore? WebExtension are used in FF but in TB? Can I still use XPCOM/XUL based extensions in Thunderbid and does it makes sense?

user228011 · Answer 1 · 2016-08-04T12:40:15.967

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XUL based extensions (either as Overlay or Bootstrapped) are currently the only ones supported for Thunderbird.

The newer WebExtensions or the Add-on SDK only work in Firefox. As far as I know, there are currently no plans to add support for them in Thunderbird. Instead, Thunderbird tries to delay the deprecation of XUL as long as possible (https://discourse.mozilla-community.org/t/webextensions-api-and-deprecation-of-xul-xpcom-and-xbl/3459/4, https://groups.google.com/forum/#!topic/tb-planning/UIVHTbhjrU8).

edited Aug 04 '16 at 12:40

answered Aug 02 '16 at 13:25

user228011

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Thankl you very much! Can you maybe provide a link to useful source where Mozilla explains this situation/this plans not including them in TB? – sewo Aug 04 '16 at 06:52
https://blog.mozilla.org/addons/2015/08/21/the-future-of-developing-firefox-add-ons/ – sewo Aug 04 '16 at 07:07
found that but maybe there is more ;-) – sewo Aug 04 '16 at 07:07
added 2 links in the answer. – user228011 Aug 04 '16 at 12:41

Thunderbird Add-Ons Development in 2016? XUL recommended?

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