Would it be possible to include the server and component macro from leptos here as well?
This is even suggested for a better DX (https://leptos-rs.github.io/leptos/appendix_dx.html).

When these macros are expanded, the IDE gets extremely slow and sometimes something under the hood even crashes. Can be fixed with out-commenting the macro for the whole function and then turn it back on. However, this is really annoying.

I have never taken a look at the code of the intellij-rust plugin before, but I opened a small PR which should achieve exactly this (I guess). I tested some problems with the dev IDE started from this PR and it seems to work.

You can find it here: #10873