Easier to search for solutions based on a specific stack.

Add tags for solutionss

It would help people with light sensitivities and who prefer dark mode.

Add a dark theme option

Challenge-specific Q&A would make for easy reference.

Images and screencasts can enhance comments on solutions.

Stay updated on comments and solutions other people post.

Challenge preview images are missing when you apply a filter.

It would be great to see a more detailed breakdown of solutions.

Sequenced projects for different goals to help people improve.

Add ability to create a professional-looking portfolio from profile.

Be able to bookmark challenges to take later on.

Screenshots of solutions with animations don’t display correctly.

Small animations at specific points can add delight.