minimal native patch stream

Streaming Demo

A minimal streamed HTML response: the first bytes contain two processing-instruction ranges, and later bytes contain <template for> patches that replace the fallbacks.

stream evidence


      

      

        
server shape

        
<article>
  <?start name="primary">Loading...<?end>
</article>

...later in the same response...

<template for="primary">
  Primary content
</template>

      

    

  


  

    
why this matters

    
This is not a ReadableStream scheduling demo. The browser's HTML parser sees the template patch as part of the document stream and applies it declaratively when the feature is supported.

  


  

    
references

    
  


  

    
implementation reference

    
Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗