Their aim is to not be needed one day, it's just a lot of polyfills making Custom Elements work across all browsers cough not IE cough.
Of course, there are also a few tweaks and changes to make easier for developers that aren't in the platform but not too many.
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Their aim is to not be needed one day, it's just a lot of polyfills making Custom Elements work across all browsers cough not IE cough.
Of course, there are also a few tweaks and changes to make easier for developers that aren't in the platform but not too many.