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<p>As of a few hours ago, you'll need to add a new flag to your
mozconfig, or Thunderbird will think it is Firefox in a number of
places. This is the line to add:<br>
</p>
<pre>ac_add_options --with-app-basename=Thunderbird
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<p>This change was brought to you by <a moz-do-not-send="true"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=1657954">bug
1657954</a> on mozilla-central, and <a moz-do-not-send="true"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=1658682">bug
1658682</a> that I followed it up with. I think that is all that
is required – our builds and tests are running again – but if
there are any further issues then the latter bug is the place to
go.</p>
<p>GL<br>
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