When you've multiple chat windows opened, the rightest one is the slowest. I haven't used Facebook for a while and I've just logged in, so I don't know when the regression started (but most probably in Firefox 15).
I'm not sure of the dependency.
Depends on: 786421
Did bug 786421 fix this?
Marco reopen if bug 786421 did not fix this
Status: NEW → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → WORKSFORME
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