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    <p>In the process of streamlining their APIs for mozilla57, Mozilla
      core yesterday removed nsILocalFile (to be replaced with nsIFile)
      which will affect many add-ons. As of yesterday, those add-ons
      stopped working in Thunderbird Daily.</p>
    <p>As previously advised, STEEL has also been removed. Here a list
      of interfaces removed last week:</p>
    <p>nsILocalFile, steelIApplication, extIApplication,
      nsIEntityConverter, nsIProgrammingLanguage, nsILocaleService and
      friends, nsIScriptableDateFormat</p>
    <p>Details: <a moz-do-not-send="true"
        href="https://bugzilla.mozilla.org/show_bug.cgi?id=1347507">Bug
        1347507</a><br>
    </p>
    <p>Removal imminent for nsIFilePicker.show().<br>
    </p>
    <div class="moz-signature">-- <br>
      Jörg Knobloch - <a href="mailto:jorgk@jorgk.com">jorgk@jorgk.com</a>
      - <a href="http://www.jorgk.com">www.jorgk.com</a><br>
      <a href="http://www.jorgk.com/misc/Mozilla-work.pdf">Thunderbird
        Developer</a> (<a
        href="https://wiki.mozilla.org/Modules/Thunderbird#Thunderbird">Thunderbird</a>,
      <a href="https://wiki.mozilla.org/Modules/Thunderbird#Compose">Compose</a>
      and Mailnews <a
        href="https://wiki.mozilla.org/Modules/MailNews_Core#Editor">Editor</a>
      and <a
        href="https://wiki.mozilla.org/Modules/MailNews_Core#MIME_Parser">MIME</a>
      peer) - Member of the <a
        href="https://wiki.mozilla.org/Modules/Thunderbird#Thunderbird_Council">Thunderbird
        Council</a><br>
      <img moz-do-not-send="true"
        src="http://www.jorgk.com/images/make-tb-great-again.png"
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