slot with always-true condition is not rendered on ssr #12438
Description
Vue version
3.5.12
Link to minimal reproduction
https://stackblitz.com/edit/github-bgizhu-bvt2ew
Steps to reproduce
Refresh the page - you will see a flash as the SSR content is replaced with client-side content.
What is expected?
There should be no mismatch between server + client render.
What is actually happening?
The server is not rendering a slot even though the condition is true.
System Info
No response
Any additional comments?
No response