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The selectoption element is on another level of reactivity. It can both detect and produce (synchronous) changes to the DOM.

That's a massive can of worms that no web standard has yet opened. Snark all you like, it's reasonable to think we shouldn't open that can so casually.



I agree it's new and different, but I disagree that it needs a whole new framework.

Whether it's synchronous or not is part of the debate.

There are already things like SVG's <use> element that 'clone' content, although it's not in the light DOM.

There's definitely stuff to debate here, but "this is bad. 'Reactive' should be left to frameworks" is not useful.




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