[volfpeter]

Yeah, the renderer itself must be async to enable async tooling, but everything else can remain sync unless async is really needed.

Regarding data fetching (it's a recurring theme in the comments), I'd probably do most of my async business logic in my routes (well, I'm obviously using htmy with FastAPI and HTMX through FastHX), and components may fetch additional resources if they need something other than the route's result (translations, markdown, html snippets, some other IO).

I'm not sure if any other tool really enables this pattern, but I'm quite curious to see how I'll use it in future projects, and hopefully also what ideas and patterns others come up with in their projects. There's definitely room for creativity.