The tldr version is probably our tickets:
https://dev.haiku-os.org/query?component=^Kits%2FWeb+Kit&status=assigned&status=in-progress&status=new&status=reopened&order=priority&col=id&col=summary&col=status&col=owner&col=type&col=priority&col=milestone
If you think any of these tasks interest you you can ask on the tickets for guidance, or info may be already there