Hi,

I'm quite new to polymer and have a question concerning dom-repeat and 
rendering.

As far as I read it in the docs, a change in the underlying array (element 
removed) will re-render all elements within the dom-repeat template. I have 
a case where each of these elements are quite heavy weight and 
initialization of them takes quite long (server-side interactions). So I 
only want to render deletions and additions but the other elements should 
stay untouched.

How do I get this? Must not be dom-repat but can be any other technique.

Thanks,
Andreas

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