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by perardi 1576 days ago
But does Xcode convert PDF and SVG to various PNG assets?

https://bjango.com/articles/svgassetcatalogs/

It's my understanding, as a designer, that it was auto-generating 2x and 3x PNGs as from your vector assets, and that's what actually got bundled in the final app—and that PNG compression was not good compared to what I could get by going through ImageOptim.

I would be quite happy to be wrong about that. It would save me a lot of time.