Update headers.md to clarify that Set-Cookie is automatically preserved (#12701)

alexanderson1993 · web-flow · commit 7b0418112607 · 2025-01-07T13:35:54.000-05:00
diff --git a/docs/how-to/headers.md b/docs/how-to/headers.md
@@ -58,6 +58,8 @@ export function headers({
 }
 ```
 
+One notable exception is `Set-Cookie` headers, which are automatically preserved from `headers`, `loader`, and `action` in parent routes, even without exporting `headers` from the child route.
+
 ## Merging with parent headers
 
 Consider these nested routes

Original file line number	Diff line number	Diff line change
`@@ -58,6 +58,8 @@ export function headers({`
`58`	`58`	`}`
`59`	`59`	```
`60`	`60`
	`61`	+One notable exception is `Set-Cookie` headers, which are automatically preserved from `headers`, `loader`, and `action` in parent routes, even without exporting `headers` from the child route.
	`62`	`+`
`61`	`63`	`## Merging with parent headers`
`62`	`64`
`63`	`65`	`Consider these nested routes`