Design is 90% consistency. If your "Submit" button on page one is blue with rounded corners, the "Cancel" button on page two should not be green with square corners.
9.2/10 Deducting 0.8 for:
Yes — because UI principles don't expire quickly, and the 2021 update added design systems and accessibility, which remain relevant. However, Erik has not released a major 2024/2025 update (no AI design workflows, no advanced variable fonts, no new Dev Mode features). That's the one caveat. learn ui design by erik kennedy updated 2021