Here are some I'm aware of: https://github.com/jquery/sizzle/issues/290 https://github.com/jquery/sizzle/issues/290 https://github.com/jashkenas/underscore/is

Here are some I'm aware of: https://github.com/jquery/sizzle/issues/290 https://github.com/jquery/sizzle/issues/290 https://github.com/jashkenas/underscore/issues/2081 https://github.com/jashkenas/underscore/issues/2081 https://github.com/jquery/jquery/issues/2145 https://github.com/jquery/jquery/issues/2145 Webkit devs are aware of these and they have been fixed in Webkit core, but Apple doesn't provide any info about when the fixes may see the light of day.