Which "arcane bullshit" do you have in mind? People talk a lot about browser incompatibilities, but the most serious ones are no longer real (nobody uses NS4) a

Which "arcane bullshit" do you have in mind? People talk a lot about browser incompatibilities, but the most serious ones are no longer real (nobody uses NS4) and the others are mostly covered by libraries such as jQuery. (though it is true that some of the browsers are simply lacking certain features)