<div dir="ltr">The largest and most complex remote XUL app I know of is called Qualoupe and as far as I know, things have already started breaking them before 60.<div><br></div><div>I've asked them to comment in this conversation.</div><div><br></div><div>Mike</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 27, 2018 at 12:14 PM, Brian Grinstead <span dir="ltr"><<a href="mailto:bgrinstead@mozilla.com" target="_blank">bgrinstead@mozilla.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
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> On Mar 27, 2018, at 9:57 AM, Boris Zbarsky <<a href="mailto:bzbarsky@mit.edu">bzbarsky@mit.edu</a>> wrote:<br>
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> On 3/27/18 11:50 AM, Nicholas Alexander wrote:<br>
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</span><span class="">>> - do we have any idea of the popularity of `dom.allow_XUL_XBL_for_file`?  Do we expect this usage is all internal?  (I really hope so!)<br>
><br>
> I don't, and I really hope so too....<br>
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</span>This isn't totally representative, but based on github code search:<br>
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“dom.allow_XUL_XBL_for_file” - 330 code results - <a href="https://github.com/search?utf8=%E2%9C%93&q=dom.allow_XUL_XBL_for_file&type=Code" rel="noreferrer" target="_blank">https://github.com/search?<wbr>utf8=%E2%9C%93&q=dom.allow_<wbr>XUL_XBL_for_file&type=Code</a><br>
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And  lot of those are duplicates that look like they come from files in mozilla-central:<br>
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"dom.allow_XUL_XBL_for_file filename:nsContentUtils.cpp” - 194 code results -<a href="https://github.com/search?utf8=%E2%9C%93&q=dom.allow_XUL_XBL_for_file+filename%3AnsContentUtils.cpp&type=Code" rel="noreferrer" target="_blank">https://github.com/search?<wbr>utf8=%E2%9C%93&q=dom.allow_<wbr>XUL_XBL_for_file+filename%<wbr>3AnsContentUtils.cpp&type=Code</a><br>
“dom.allow_XUL_XBL_for_file filename:reftest-preferences.<wbr>js” - 89 code results - <a href="https://github.com/search?utf8=%E2%9C%93&q=dom.allow_XUL_XBL_for_file+filename%3Areftest-preferences.js&type=Code" rel="noreferrer" target="_blank">https://github.com/search?<wbr>utf8=%E2%9C%93&q=dom.allow_<wbr>XUL_XBL_for_file+filename%<wbr>3Areftest-preferences.js&type=<wbr>Code</a><br>
“dom.allow_XUL_XBL_for_file filename:ContentPrefs.cpp” - 23 code results - <a href="https://github.com/search?utf8=%E2%9C%93&q=dom.allow_XUL_XBL_for_file+filename%3AContentPrefs.cpp&type=Code" rel="noreferrer" target="_blank">https://github.com/search?<wbr>utf8=%E2%9C%93&q=dom.allow_<wbr>XUL_XBL_for_file+filename%<wbr>3AContentPrefs.cpp&type=Code</a><br>
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If you ignore those that would leave only 24 remaining. I can’t figure out how to group by filename or filter on ‘not in these filenames’ in github search so it’s hard to see exactly what’s left.<br>
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