From:  Jorge Villalobos <jorge@mozilla.com>
Date:  05 May 2015 02:19:56 Hong Kong Time
Newsgroup:  news.mozilla.org/mozilla.announce.compatibility
Subject:  

Dropping support for binary components in extensions

NNTP-Posting-Host:  63.245.214.181

Hello,

In short, we will drop support for binary XPCOM starting with Firefox
40. Details and ways to give feedback can be found in this post:

https://blog.mozilla.org/addons/2015/05/04/dropping-support-for-binary-components/

Regards,

Jorge