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Noto Nastaliq Urdu draft freezes Firefox for 5+ seconds #186

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
Try for example loading this page in Firefox:

  http://behdad.org/urdu

Observe it freezing for 5+ seconds.

I debugged this with Jonathan Kew.  The root cause was within HarfBuzz.  I just 
committed a fix to HarfBuzz:

https://github.com/behdad/harfbuzz/commit/fde3e4a423871463c883cb969e99c29cb6f69f
6b

Also, Firefox is doing a patch to speed things up a bit generally, and avoid 
this pathological case at the same time:

  https://bugzilla.mozilla.org/show_bug.cgi?id=1090869

Future Firefox releases should have this fully resolved.  Keeping issue open 
here until we can confirm on Firefox release.

Original issue reported on code.google.com by behdad@google.com on 29 Oct 2014 at 6:26

GoogleCodeExporter commented 9 years ago 
Fixed Firefox will be released on November 25, 2014.

Original comment by behdad@google.com on 10 Nov 2014 at 12:21

GoogleCodeExporter commented 9 years ago 
Same problem with my site: www.aruuz.com

Original comment by sayedzee...@gmail.com on 10 Nov 2014 at 6:06

GoogleCodeExporter commented 9 years ago 
This is already fixed in Firefox Beta:

https://www.mozilla.org/en-US/firefox/channel/#beta

Original comment by behdad@google.com on 10 Nov 2014 at 6:32

GoogleCodeExporter commented 9 years ago 
Firefox 34 has been released.  Need someone to verify fix.

https://www.mozilla.org/en-US/firefox/releases/

Original comment by behdad@google.com on 3 Dec 2014 at 1:35