MVU has made things better for me as a dev. More on that in this comment. The tooling is still a hot mess for SPAs. It's actually gotten markedly more convoluted since Angular first came out. I remember not having to use things like Webpack to build a SPA. I had a minifier / bundler plugin in my IDE that would spit out a bundle for me. It wasn't perfect, but it was far simpler than Grunt/Gulp/Webpack/etc.
I'll put this on the user side, but I think there are more CSS frameworks available that make it easier to get started with a nice user experience. We use Semantic UI, for example. Another similar one I'm keeping my eye on is Bulma.
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