Well, to be fair, you should move past out of the box templates at some point anyways. Most of them are just references for a quick proto, and aren't ideal for real production applications.
For .Net as a whole, very little is moving forward as fast as it is, or breaking as many barriers as .Net core.
Honestly, if it feels stale, it's probably because you're defaulting to server-side rendering rather than treating it as an optimization.
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